1900900845

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{485543}}^1$

素因数の和:485586

約数の個数: 32

約数和(自身を含む): 3495916800

約数和(自身を除く): 1595015955

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 485543, 1456629, 2427715, 4369887, 7283145, 13109661, 14080747, 21849435, 42242241, 65548305, 70403735, 126726723, 211211205, 380180169, 633633615, 1900900845]

約数ペア:

[(1, 1900900845), (3, 633633615), (5, 380180169), (9, 211211205), (15, 126726723), (27, 70403735), (29, 65548305), (45, 42242241), (87, 21849435), (135, 14080747), (145, 13109661), (261, 7283145), (435, 4369887), (783, 2427715), (1305, 1456629), (3915, 485543)]