40638879

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 60383232

約数和(自身を除く): 19744353

約数列:

[1, 3, 9, 47, 141, 191, 423, 503, 573, 1509, 1719, 4527, 8977, 23641, 26931, 70923, 80793, 96073, 212769, 288219, 864657, 4515431, 13546293, 40638879]

約数ペア:

[(1, 40638879), (3, 13546293), (9, 4515431), (47, 864657), (141, 288219), (191, 212769), (423, 96073), (503, 80793), (573, 70923), (1509, 26931), (1719, 23641), (4527, 8977)]