81333021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{929}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 135705600

約数和(自身を除く): 54372579

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 379, 929, 1137, 2653, 2787, 4169, 6503, 7959, 10219, 12507, 19509, 29183, 30657, 71533, 87549, 214599, 352091, 1056273, 2464637, 3873001, 7393911, 11619003, 27111007, 81333021]

約数ペア:

[(1, 81333021), (3, 27111007), (7, 11619003), (11, 7393911), (21, 3873001), (33, 2464637), (77, 1056273), (231, 352091), (379, 214599), (929, 87549), (1137, 71533), (2653, 30657), (2787, 29183), (4169, 19509), (6503, 12507), (7959, 10219)]