399543975

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{14437}}^1$

素因数の和:14497

約数の個数: 48

約数和(自身を含む): 751931040

約数和(自身を除く): 352387065

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1025, 1107, 1845, 3075, 5535, 9225, 14437, 27675, 43311, 72185, 129933, 216555, 360925, 389799, 591917, 649665, 1082775, 1775751, 1948995, 2959585, 3248325, 5327253, 8878755, 9744975, 14797925, 15981759, 26636265, 44393775, 79908795, 133181325, 399543975]

約数ペア:

[(1, 399543975), (3, 133181325), (5, 79908795), (9, 44393775), (15, 26636265), (25, 15981759), (27, 14797925), (41, 9744975), (45, 8878755), (75, 5327253), (123, 3248325), (135, 2959585), (205, 1948995), (225, 1775751), (369, 1082775), (615, 649665), (675, 591917), (1025, 389799), (1107, 360925), (1845, 216555), (3075, 129933), (5535, 72185), (9225, 43311), (14437, 27675)]