81313308

素因数分解:

$2^2\times 3^4\times {\mathrm{250967}}^1$

素因数の和:250983

約数の個数: 30

約数和(自身を含む): 212569896

約数和(自身を除く): 131256588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250967, 501934, 752901, 1003868, 1505802, 2258703, 3011604, 4517406, 6776109, 9034812, 13552218, 20328327, 27104436, 40656654, 81313308]

約数ペア:

[(1, 81313308), (2, 40656654), (3, 27104436), (4, 20328327), (6, 13552218), (9, 9034812), (12, 6776109), (18, 4517406), (27, 3011604), (36, 2258703), (54, 1505802), (81, 1003868), (108, 752901), (162, 501934), (324, 250967)]