3911481

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 6599424

約数和(自身を除く): 2687943

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 1321, 2961, 3963, 9247, 11889, 27741, 62087, 83223, 186261, 434609, 558783, 1303827, 3911481]

約数ペア:

[(1, 3911481), (3, 1303827), (7, 558783), (9, 434609), (21, 186261), (47, 83223), (63, 62087), (141, 27741), (329, 11889), (423, 9247), (987, 3963), (1321, 2961)]