289404639

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{7691}}^1$

素因数の和:7847

約数の個数: 24

約数和(自身を含む): 433182672

約数和(自身を除く): 143778033

約数列:

[1, 3, 9, 37, 111, 113, 333, 339, 1017, 4181, 7691, 12543, 23073, 37629, 69219, 284567, 853701, 869083, 2561103, 2607249, 7821747, 32156071, 96468213, 289404639]

約数ペア:

[(1, 289404639), (3, 96468213), (9, 32156071), (37, 7821747), (111, 2607249), (113, 2561103), (333, 869083), (339, 853701), (1017, 284567), (4181, 69219), (7691, 37629), (12543, 23073)]