15315723

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{8221}}^1$

素因数の和:8256

約数の個数: 20

約数和(自身を含む): 23876688

約数和(自身を除く): 8560965

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 8221, 24663, 73989, 189083, 221967, 567249, 665901, 1701747, 5105241, 15315723]

約数ペア:

[(1, 15315723), (3, 5105241), (9, 1701747), (23, 665901), (27, 567249), (69, 221967), (81, 189083), (207, 73989), (621, 24663), (1863, 8221)]