15790775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 26331648

約数和(自身を除く): 10540873

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 631, 715, 1001, 1925, 2275, 3155, 3575, 4417, 5005, 6941, 8203, 15775, 22085, 25025, 34705, 41015, 48587, 57421, 90233, 110425, 173525, 205075, 242935, 287105, 451165, 631631, 1214675, 1435525, 2255825, 3158155, 15790775]

約数ペア:

[(1, 15790775), (5, 3158155), (7, 2255825), (11, 1435525), (13, 1214675), (25, 631631), (35, 451165), (55, 287105), (65, 242935), (77, 205075), (91, 173525), (143, 110425), (175, 90233), (275, 57421), (325, 48587), (385, 41015), (455, 34705), (631, 25025), (715, 22085), (1001, 15775), (1925, 8203), (2275, 6941), (3155, 5005), (3575, 4417)]