31983165

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 58046976

約数和(自身を除く): 26063811

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 101, 155, 227, 279, 303, 465, 505, 681, 909, 1135, 1395, 1515, 2043, 3131, 3405, 4545, 7037, 9393, 10215, 15655, 21111, 22927, 28179, 35185, 46965, 63333, 68781, 105555, 114635, 140895, 206343, 316665, 343905, 710737, 1031715, 2132211, 3553685, 6396633, 10661055, 31983165]

約数ペア:

[(1, 31983165), (3, 10661055), (5, 6396633), (9, 3553685), (15, 2132211), (31, 1031715), (45, 710737), (93, 343905), (101, 316665), (155, 206343), (227, 140895), (279, 114635), (303, 105555), (465, 68781), (505, 63333), (681, 46965), (909, 35185), (1135, 28179), (1395, 22927), (1515, 21111), (2043, 15655), (3131, 10215), (3405, 9393), (4545, 7037)]