40426047

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{1283}}^1$

素因数の和:1684

約数の個数: 20

約数和(自身を含む): 60591960

約数和(自身を除く): 20165913

約数列:

[1, 3, 9, 27, 81, 389, 1167, 1283, 3501, 3849, 10503, 11547, 31509, 34641, 103923, 499087, 1497261, 4491783, 13475349, 40426047]

約数ペア:

[(1, 40426047), (3, 13475349), (9, 4491783), (27, 1497261), (81, 499087), (389, 103923), (1167, 34641), (1283, 31509), (3501, 11547), (3849, 10503)]