12686895

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7229}}^1$

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 24292800

約数和(自身を除く): 11605905

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 7229, 21687, 36145, 65061, 93977, 108435, 195183, 281931, 325305, 469885, 845793, 975915, 1409655, 2537379, 4228965, 12686895]

約数ペア:

[(1, 12686895), (3, 4228965), (5, 2537379), (9, 1409655), (13, 975915), (15, 845793), (27, 469885), (39, 325305), (45, 281931), (65, 195183), (117, 108435), (135, 93977), (195, 65061), (351, 36145), (585, 21687), (1755, 7229)]