81401481

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{24379}}^1$

素因数の和:24445

約数の個数: 24

約数和(自身を含む): 136918080

約数和(自身を除く): 55516599

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 24379, 73137, 170653, 219411, 511959, 1292087, 1535877, 3876261, 9044609, 11628783, 27133827, 81401481]

約数ペア:

[(1, 81401481), (3, 27133827), (7, 11628783), (9, 9044609), (21, 3876261), (53, 1535877), (63, 1292087), (159, 511959), (371, 219411), (477, 170653), (1113, 73137), (3339, 24379)]