81129636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3319}}^1$

素因数の和:3433

約数の個数: 72

約数和(自身を含む): 236862080

約数和(自身を除く): 155732444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3319, 3492, 4074, 6111, 6638, 8148, 9957, 12222, 13276, 19914, 23233, 24444, 29871, 39828, 46466, 59742, 69699, 92932, 119484, 139398, 209097, 278796, 321943, 418194, 643886, 836388, 965829, 1287772, 1931658, 2253601, 2897487, 3863316, 4507202, 5794974, 6760803, 9014404, 11589948, 13521606, 20282409, 27043212, 40564818, 81129636]

約数ペア:

[(1, 81129636), (2, 40564818), (3, 27043212), (4, 20282409), (6, 13521606), (7, 11589948), (9, 9014404), (12, 6760803), (14, 5794974), (18, 4507202), (21, 3863316), (28, 2897487), (36, 2253601), (42, 1931658), (63, 1287772), (84, 965829), (97, 836388), (126, 643886), (194, 418194), (252, 321943), (291, 278796), (388, 209097), (582, 139398), (679, 119484), (873, 92932), (1164, 69699), (1358, 59742), (1746, 46466), (2037, 39828), (2716, 29871), (3319, 24444), (3492, 23233), (4074, 19914), (6111, 13276), (6638, 12222), (8148, 9957)]