319325979

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2711}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 499875840

約数和(自身を除く): 180549861

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 497, 553, 1491, 1659, 2711, 5609, 8133, 16827, 18977, 39263, 56931, 117789, 192481, 214169, 577443, 642507, 1347367, 1499183, 4042101, 4497549, 15205999, 45617997, 106441993, 319325979]

約数ペア:

[(1, 319325979), (3, 106441993), (7, 45617997), (21, 15205999), (71, 4497549), (79, 4042101), (213, 1499183), (237, 1347367), (497, 642507), (553, 577443), (1491, 214169), (1659, 192481), (2711, 117789), (5609, 56931), (8133, 39263), (16827, 18977)]