81091836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 259144704

約数和(自身を除く): 178052868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 51, 63, 68, 69, 84, 92, 102, 119, 126, 138, 153, 161, 204, 207, 238, 252, 276, 306, 322, 357, 391, 414, 476, 483, 612, 644, 714, 782, 823, 828, 966, 1071, 1173, 1428, 1449, 1564, 1646, 1932, 2142, 2346, 2469, 2737, 2898, 3292, 3519, 4284, 4692, 4938, 5474, 5761, 5796, 7038, 7407, 8211, 9876, 10948, 11522, 13991, 14076, 14814, 16422, 17283, 18929, 23044, 24633, 27982, 29628, 32844, 34566, 37858, 41973, 49266, 51849, 55964, 56787, 69132, 75716, 83946, 97937, 98532, 103698, 113574, 125919, 132503, 167892, 170361, 195874, 207396, 227148, 251838, 265006, 293811, 321793, 340722, 391748, 397509, 503676, 530012, 587622, 643586, 681444, 795018, 881433, 965379, 1175244, 1192527, 1287172, 1590036, 1762866, 1930758, 2252551, 2385054, 2896137, 3525732, 3861516, 4505102, 4770108, 5792274, 6757653, 9010204, 11584548, 13515306, 20272959, 27030612, 40545918, 81091836]

約数ペア:

[(1, 81091836), (2, 40545918), (3, 27030612), (4, 20272959), (6, 13515306), (7, 11584548), (9, 9010204), (12, 6757653), (14, 5792274), (17, 4770108), (18, 4505102), (21, 3861516), (23, 3525732), (28, 2896137), (34, 2385054), (36, 2252551), (42, 1930758), (46, 1762866), (51, 1590036), (63, 1287172), (68, 1192527), (69, 1175244), (84, 965379), (92, 881433), (102, 795018), (119, 681444), (126, 643586), (138, 587622), (153, 530012), (161, 503676), (204, 397509), (207, 391748), (238, 340722), (252, 321793), (276, 293811), (306, 265006), (322, 251838), (357, 227148), (391, 207396), (414, 195874), (476, 170361), (483, 167892), (612, 132503), (644, 125919), (714, 113574), (782, 103698), (823, 98532), (828, 97937), (966, 83946), (1071, 75716), (1173, 69132), (1428, 56787), (1449, 55964), (1564, 51849), (1646, 49266), (1932, 41973), (2142, 37858), (2346, 34566), (2469, 32844), (2737, 29628), (2898, 27982), (3292, 24633), (3519, 23044), (4284, 18929), (4692, 17283), (4938, 16422), (5474, 14814), (5761, 14076), (5796, 13991), (7038, 11522), (7407, 10948), (8211, 9876)]