12419985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 8223855

約数列:

[1, 3, 5, 15, 47, 79, 141, 223, 235, 237, 395, 669, 705, 1115, 1185, 3345, 3713, 10481, 11139, 17617, 18565, 31443, 52405, 52851, 55695, 88085, 157215, 264255, 827999, 2483997, 4139995, 12419985]

約数ペア:

[(1, 12419985), (3, 4139995), (5, 2483997), (15, 827999), (47, 264255), (79, 157215), (141, 88085), (223, 55695), (235, 52851), (237, 52405), (395, 31443), (669, 18565), (705, 17617), (1115, 11139), (1185, 10481), (3345, 3713)]