720693987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{179411}}^1$

素因数の和:179530

約数の個数: 16

約数和(自身を含む): 1044895488

約数和(自身を除く): 324201501

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 179411, 538233, 2332343, 6997029, 18479333, 55437999, 240231329, 720693987]

約数ペア:

[(1, 720693987), (3, 240231329), (13, 55437999), (39, 18479333), (103, 6997029), (309, 2332343), (1339, 538233), (4017, 179411)]