1644735

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 2880000

約数和(自身を除く): 1235265

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 199, 285, 435, 551, 597, 995, 1653, 2755, 2985, 3781, 5771, 8265, 11343, 17313, 18905, 28855, 56715, 86565, 109649, 328947, 548245, 1644735]

約数ペア:

[(1, 1644735), (3, 548245), (5, 328947), (15, 109649), (19, 86565), (29, 56715), (57, 28855), (87, 18905), (95, 17313), (145, 11343), (199, 8265), (285, 5771), (435, 3781), (551, 2985), (597, 2755), (995, 1653)]