128519625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 236291328

約数和(自身を除く): 107771703

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 125, 195, 205, 325, 375, 533, 615, 643, 975, 1025, 1599, 1625, 1929, 2665, 3075, 3215, 4875, 5125, 7995, 8359, 9645, 13325, 15375, 16075, 25077, 26363, 39975, 41795, 48225, 66625, 79089, 80375, 125385, 131815, 199875, 208975, 241125, 342719, 395445, 626925, 659075, 1028157, 1044875, 1713595, 1977225, 3134625, 3295375, 5140785, 8567975, 9886125, 25703925, 42839875, 128519625]

約数ペア:

[(1, 128519625), (3, 42839875), (5, 25703925), (13, 9886125), (15, 8567975), (25, 5140785), (39, 3295375), (41, 3134625), (65, 1977225), (75, 1713595), (123, 1044875), (125, 1028157), (195, 659075), (205, 626925), (325, 395445), (375, 342719), (533, 241125), (615, 208975), (643, 199875), (975, 131815), (1025, 125385), (1599, 80375), (1625, 79089), (1929, 66625), (2665, 48225), (3075, 41795), (3215, 39975), (4875, 26363), (5125, 25077), (7995, 16075), (8359, 15375), (9645, 13325)]