72311421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15581}}^1$

素因数の和:15621

約数の個数: 32

約数和(自身を含む): 125653248

約数和(自身を除く): 53341827

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 15581, 46743, 109067, 202553, 264877, 327201, 607659, 794631, 1417871, 1854139, 3443401, 4253613, 5562417, 10330203, 24103807, 72311421]

約数ペア:

[(1, 72311421), (3, 24103807), (7, 10330203), (13, 5562417), (17, 4253613), (21, 3443401), (39, 1854139), (51, 1417871), (91, 794631), (119, 607659), (221, 327201), (273, 264877), (357, 202553), (663, 109067), (1547, 46743), (4641, 15581)]