13130265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20357}}^1$

素因数の和:20408

約数の個数: 16

約数和(自身を含む): 21498048

約数和(自身を除く): 8367783

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20357, 61071, 101785, 305355, 875351, 2626053, 4376755, 13130265]

約数ペア:

[(1, 13130265), (3, 4376755), (5, 2626053), (15, 875351), (43, 305355), (129, 101785), (215, 61071), (645, 20357)]