72878985

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 59209335

約数列:

[1, 3, 5, 9, 15, 31, 45, 89, 93, 155, 267, 279, 445, 465, 587, 801, 1335, 1395, 1761, 2759, 2935, 4005, 5283, 8277, 8805, 13795, 18197, 24831, 26415, 41385, 52243, 54591, 90985, 124155, 156729, 163773, 261215, 272955, 470187, 783645, 818865, 1619533, 2350935, 4858599, 8097665, 14575797, 24292995, 72878985]

約数ペア:

[(1, 72878985), (3, 24292995), (5, 14575797), (9, 8097665), (15, 4858599), (31, 2350935), (45, 1619533), (89, 818865), (93, 783645), (155, 470187), (267, 272955), (279, 261215), (445, 163773), (465, 156729), (587, 124155), (801, 90985), (1335, 54591), (1395, 52243), (1761, 41385), (2759, 26415), (2935, 24831), (4005, 18197), (5283, 13795), (8277, 8805)]