15888975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 28045824

約数和(自身を除く): 12156849

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 75, 115, 151, 183, 305, 345, 453, 575, 755, 915, 1403, 1525, 1725, 2265, 3473, 3775, 4209, 4575, 7015, 9211, 10419, 11325, 17365, 21045, 27633, 35075, 46055, 52095, 86825, 105225, 138165, 211853, 230275, 260475, 635559, 690825, 1059265, 3177795, 5296325, 15888975]

約数ペア:

[(1, 15888975), (3, 5296325), (5, 3177795), (15, 1059265), (23, 690825), (25, 635559), (61, 260475), (69, 230275), (75, 211853), (115, 138165), (151, 105225), (183, 86825), (305, 52095), (345, 46055), (453, 35075), (575, 27633), (755, 21045), (915, 17365), (1403, 11325), (1525, 10419), (1725, 9211), (2265, 7015), (3473, 4575), (3775, 4209)]