6821425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 9235520

約数和(自身を除く): 2414095

約数列:

[1, 5, 13, 25, 65, 139, 151, 325, 695, 755, 1807, 1963, 3475, 3775, 9035, 9815, 20989, 45175, 49075, 104945, 272857, 524725, 1364285, 6821425]

約数ペア:

[(1, 6821425), (5, 1364285), (13, 524725), (25, 272857), (65, 104945), (139, 49075), (151, 45175), (325, 20989), (695, 9815), (755, 9035), (1807, 3775), (1963, 3475)]