56279925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 110492928

約数和(自身を除く): 54213003

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 117, 195, 213, 225, 271, 325, 355, 585, 639, 813, 923, 975, 1065, 1355, 1775, 2439, 2769, 2925, 3195, 3523, 4065, 4615, 5325, 6775, 8307, 10569, 12195, 13845, 15975, 17615, 19241, 20325, 23075, 31707, 41535, 52845, 57723, 60975, 69225, 88075, 96205, 158535, 173169, 207675, 250133, 264225, 288615, 481025, 750399, 792675, 865845, 1250665, 1443075, 2251197, 3751995, 4329225, 6253325, 11255985, 18759975, 56279925]

約数ペア:

[(1, 56279925), (3, 18759975), (5, 11255985), (9, 6253325), (13, 4329225), (15, 3751995), (25, 2251197), (39, 1443075), (45, 1250665), (65, 865845), (71, 792675), (75, 750399), (117, 481025), (195, 288615), (213, 264225), (225, 250133), (271, 207675), (325, 173169), (355, 158535), (585, 96205), (639, 88075), (813, 69225), (923, 60975), (975, 57723), (1065, 52845), (1355, 41535), (1775, 31707), (2439, 23075), (2769, 20325), (2925, 19241), (3195, 17615), (3523, 15975), (4065, 13845), (4615, 12195), (5325, 10569), (6775, 8307)]