12781962

素因数分解:

$2^1\times 3^4\times {\mathrm{78901}}^1$

素因数の和:78915

約数の個数: 20

約数和(自身を含む): 28641426

約数和(自身を除く): 15859464

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 78901, 157802, 236703, 473406, 710109, 1420218, 2130327, 4260654, 6390981, 12781962]

約数ペア:

[(1, 12781962), (2, 6390981), (3, 4260654), (6, 2130327), (9, 1420218), (18, 710109), (27, 473406), (54, 236703), (81, 157802), (162, 78901)]