261208515

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{169067}}^1$

素因数の和:169178

約数の個数: 16

約数和(自身を含む): 421993728

約数和(自身を除く): 160785213

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 169067, 507201, 845335, 2536005, 17413901, 52241703, 87069505, 261208515]

約数ペア:

[(1, 261208515), (3, 87069505), (5, 52241703), (15, 17413901), (103, 2536005), (309, 845335), (515, 507201), (1545, 169067)]