81358074

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 218972160

約数和(自身を除く): 137614086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 53, 54, 62, 63, 93, 106, 126, 131, 159, 186, 189, 217, 262, 279, 318, 371, 378, 393, 434, 477, 558, 651, 742, 786, 837, 917, 954, 1113, 1179, 1302, 1431, 1643, 1674, 1834, 1953, 2226, 2358, 2751, 2862, 3286, 3339, 3537, 3906, 4061, 4929, 5502, 5859, 6678, 6943, 7074, 8122, 8253, 9858, 10017, 11501, 11718, 12183, 13886, 14787, 16506, 20034, 20829, 23002, 24366, 24759, 28427, 29574, 34503, 36549, 41658, 44361, 48601, 49518, 56854, 62487, 69006, 73098, 85281, 88722, 97202, 103509, 109647, 124974, 145803, 170562, 187461, 207018, 215233, 219294, 255843, 291606, 310527, 374922, 430466, 437409, 511686, 621054, 645699, 767529, 874818, 1291398, 1312227, 1506631, 1535058, 1937097, 2624454, 3013262, 3874194, 4519893, 5811291, 9039786, 11622582, 13559679, 27119358, 40679037, 81358074]

約数ペア:

[(1, 81358074), (2, 40679037), (3, 27119358), (6, 13559679), (7, 11622582), (9, 9039786), (14, 5811291), (18, 4519893), (21, 3874194), (27, 3013262), (31, 2624454), (42, 1937097), (53, 1535058), (54, 1506631), (62, 1312227), (63, 1291398), (93, 874818), (106, 767529), (126, 645699), (131, 621054), (159, 511686), (186, 437409), (189, 430466), (217, 374922), (262, 310527), (279, 291606), (318, 255843), (371, 219294), (378, 215233), (393, 207018), (434, 187461), (477, 170562), (558, 145803), (651, 124974), (742, 109647), (786, 103509), (837, 97202), (917, 88722), (954, 85281), (1113, 73098), (1179, 69006), (1302, 62487), (1431, 56854), (1643, 49518), (1674, 48601), (1834, 44361), (1953, 41658), (2226, 36549), (2358, 34503), (2751, 29574), (2862, 28427), (3286, 24759), (3339, 24366), (3537, 23002), (3906, 20829), (4061, 20034), (4929, 16506), (5502, 14787), (5859, 13886), (6678, 12183), (6943, 11718), (7074, 11501), (8122, 10017), (8253, 9858)]