42739905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 74188800

約数和(自身を除く): 31448895

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 1471, 1937, 2235, 4413, 5811, 7355, 9685, 19123, 22065, 29055, 57369, 95615, 219179, 286845, 657537, 1095895, 2849327, 3287685, 8547981, 14246635, 42739905]

約数ペア:

[(1, 42739905), (3, 14246635), (5, 8547981), (13, 3287685), (15, 2849327), (39, 1095895), (65, 657537), (149, 286845), (195, 219179), (447, 95615), (745, 57369), (1471, 29055), (1937, 22065), (2235, 19123), (4413, 9685), (5811, 7355)]