131408655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 254976000

約数和(自身を除く): 123567345

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 199, 285, 331, 399, 597, 665, 993, 995, 1393, 1655, 1995, 2317, 2985, 3781, 4179, 4965, 6289, 6951, 6965, 11343, 11585, 18867, 18905, 20895, 26467, 31445, 34755, 44023, 56715, 65869, 79401, 94335, 132069, 132335, 197607, 220115, 329345, 397005, 461083, 660345, 988035, 1251511, 1383249, 2305415, 3754533, 6257555, 6916245, 8760577, 18772665, 26281731, 43802885, 131408655]

約数ペア:

[(1, 131408655), (3, 43802885), (5, 26281731), (7, 18772665), (15, 8760577), (19, 6916245), (21, 6257555), (35, 3754533), (57, 2305415), (95, 1383249), (105, 1251511), (133, 988035), (199, 660345), (285, 461083), (331, 397005), (399, 329345), (597, 220115), (665, 197607), (993, 132335), (995, 132069), (1393, 94335), (1655, 79401), (1995, 65869), (2317, 56715), (2985, 44023), (3781, 34755), (4179, 31445), (4965, 26467), (6289, 20895), (6951, 18905), (6965, 18867), (11343, 11585)]