86870679

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1637}}^1$

素因数の和:1692

約数の個数: 36

約数和(自身を含む): 142289784

約数和(自身を除く): 55419105

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 1637, 2527, 2793, 4911, 7581, 11459, 17689, 31103, 34377, 53067, 80213, 93309, 217721, 240639, 590957, 653163, 1524047, 1772871, 4136699, 4572141, 12410097, 28956893, 86870679]

約数ペア:

[(1, 86870679), (3, 28956893), (7, 12410097), (19, 4572141), (21, 4136699), (49, 1772871), (57, 1524047), (133, 653163), (147, 590957), (361, 240639), (399, 217721), (931, 93309), (1083, 80213), (1637, 53067), (2527, 34377), (2793, 31103), (4911, 17689), (7581, 11459)]