15340215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 11616585

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 239, 389, 717, 1167, 1195, 1945, 2629, 3585, 4279, 5835, 7887, 12837, 13145, 21395, 39435, 64185, 92971, 278913, 464855, 1022681, 1394565, 3068043, 5113405, 15340215]

約数ペア:

[(1, 15340215), (3, 5113405), (5, 3068043), (11, 1394565), (15, 1022681), (33, 464855), (55, 278913), (165, 92971), (239, 64185), (389, 39435), (717, 21395), (1167, 13145), (1195, 12837), (1945, 7887), (2629, 5835), (3585, 4279)]