15931305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 30126096

約数和(自身を除く): 14194791

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 241, 339, 565, 585, 723, 1017, 1205, 1469, 1695, 2169, 3133, 3615, 4407, 5085, 7345, 9399, 10845, 13221, 15665, 22035, 27233, 28197, 46995, 66105, 81699, 136165, 140985, 245097, 354029, 408495, 1062087, 1225485, 1770145, 3186261, 5310435, 15931305]

約数ペア:

[(1, 15931305), (3, 5310435), (5, 3186261), (9, 1770145), (13, 1225485), (15, 1062087), (39, 408495), (45, 354029), (65, 245097), (113, 140985), (117, 136165), (195, 81699), (241, 66105), (339, 46995), (565, 28197), (585, 27233), (723, 22035), (1017, 15665), (1205, 13221), (1469, 10845), (1695, 9399), (2169, 7345), (3133, 5085), (3615, 4407)]