165265165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{41681}}^1$

素因数の和:41760

約数の個数: 16

約数和(自身を含む): 217079856

約数和(自身を除く): 51814691

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 41681, 208405, 541853, 2542541, 2709265, 12712705, 33053033, 165265165]

約数ペア:

[(1, 165265165), (5, 33053033), (13, 12712705), (61, 2709265), (65, 2542541), (305, 541853), (793, 208405), (3965, 41681)]