1233115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 1624896

約数和(自身を除く): 391781

約数列:

[1, 5, 13, 61, 65, 305, 311, 793, 1555, 3965, 4043, 18971, 20215, 94855, 246623, 1233115]

約数ペア:

[(1, 1233115), (5, 246623), (13, 94855), (61, 20215), (65, 18971), (305, 4043), (311, 3965), (793, 1555)]