4056405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 7011840

約数和(自身を除く): 2955435

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 331, 645, 817, 993, 1655, 2451, 4085, 4965, 6289, 12255, 14233, 18867, 31445, 42699, 71165, 94335, 213495, 270427, 811281, 1352135, 4056405]

約数ペア:

[(1, 4056405), (3, 1352135), (5, 811281), (15, 270427), (19, 213495), (43, 94335), (57, 71165), (95, 42699), (129, 31445), (215, 18867), (285, 14233), (331, 12255), (645, 6289), (817, 4965), (993, 4085), (1655, 2451)]