1515015

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 2656368

約数和(自身を除く): 1141353

約数列:

[1, 3, 5, 9, 15, 45, 131, 257, 393, 655, 771, 1179, 1285, 1965, 2313, 3855, 5895, 11565, 33667, 101001, 168335, 303003, 505005, 1515015]

約数ペア:

[(1, 1515015), (3, 505005), (5, 303003), (9, 168335), (15, 101001), (45, 33667), (131, 11565), (257, 5895), (393, 3855), (655, 2313), (771, 1965), (1179, 1285)]