717388893

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18413}}^1$

素因数の和:18475

約数の個数: 40

約数和(自身を含む): 1185346008

約数和(自身を除く): 467957115

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1053, 1443, 2997, 4329, 12987, 18413, 38961, 55239, 165717, 239369, 497151, 681281, 718107, 1491453, 2043843, 2154321, 6131529, 6462963, 8856653, 18394587, 19388889, 26569959, 55183761, 79709877, 239129631, 717388893]

約数ペア:

[(1, 717388893), (3, 239129631), (9, 79709877), (13, 55183761), (27, 26569959), (37, 19388889), (39, 18394587), (81, 8856653), (111, 6462963), (117, 6131529), (333, 2154321), (351, 2043843), (481, 1491453), (999, 718107), (1053, 681281), (1443, 497151), (2997, 239369), (4329, 165717), (12987, 55239), (18413, 38961)]