1231485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 2160000

約数和(自身を除く): 928515

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 149, 285, 435, 447, 551, 745, 1653, 2235, 2755, 2831, 4321, 8265, 8493, 12963, 14155, 21605, 42465, 64815, 82099, 246297, 410495, 1231485]

約数ペア:

[(1, 1231485), (3, 410495), (5, 246297), (15, 82099), (19, 64815), (29, 42465), (57, 21605), (87, 14155), (95, 12963), (145, 8493), (149, 8265), (285, 4321), (435, 2831), (447, 2755), (551, 2235), (745, 1653)]