319779291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13921}}^1$

素因数の和:13987

約数の個数: 32

約数和(自身を含む): 498964480

約数和(自身を除く): 179185189

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 7657, 13921, 22971, 41763, 180973, 264499, 431551, 542919, 793497, 1294653, 3438487, 5610163, 8199469, 10315461, 16830489, 24598407, 106593097, 319779291]

約数ペア:

[(1, 319779291), (3, 106593097), (13, 24598407), (19, 16830489), (31, 10315461), (39, 8199469), (57, 5610163), (93, 3438487), (247, 1294653), (403, 793497), (589, 542919), (741, 431551), (1209, 264499), (1767, 180973), (7657, 41763), (13921, 22971)]