13215660015

素因数分解:

$3^1\times 5^1\times {\mathrm{3557}}^1\times {\mathrm{247693}}^1$

素因数の和:251258

約数の個数: 16

約数和(自身を含む): 21151086048

約数和(自身を除く): 7935426033

約数列:

[1, 3, 5, 15, 3557, 10671, 17785, 53355, 247693, 743079, 1238465, 3715395, 881044001, 2643132003, 4405220005, 13215660015]

約数ペア:

[(1, 13215660015), (3, 4405220005), (5, 2643132003), (15, 881044001), (3557, 3715395), (10671, 1238465), (17785, 743079), (53355, 247693)]