391013025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{401039}}^1$

素因数の和:401065

約数の個数: 24

約数和(自身を含む): 696205440

約数和(自身を除く): 305192415

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 401039, 1203117, 2005195, 5213507, 6015585, 10025975, 15640521, 26067535, 30077925, 78202605, 130337675, 391013025]

約数ペア:

[(1, 391013025), (3, 130337675), (5, 78202605), (13, 30077925), (15, 26067535), (25, 15640521), (39, 10025975), (65, 6015585), (75, 5213507), (195, 2005195), (325, 1203117), (975, 401039)]