61890975

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6456

約数の個数: 36

約数和(自身を含む): 113449336

約数和(自身を除く): 51558361

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 6397, 9675, 19191, 31985, 57573, 95955, 159925, 275071, 287865, 479775, 825213, 1375355, 1439325, 2475639, 4126065, 6876775, 12378195, 20630325, 61890975]

約数ペア:

[(1, 61890975), (3, 20630325), (5, 12378195), (9, 6876775), (15, 4126065), (25, 2475639), (43, 1439325), (45, 1375355), (75, 825213), (129, 479775), (215, 287865), (225, 275071), (387, 159925), (645, 95955), (1075, 57573), (1935, 31985), (3225, 19191), (6397, 9675)]