28655811

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 42997760

約数和(自身を除く): 14341949

約数列:

[1, 3, 9, 31, 93, 271, 279, 379, 813, 1137, 2439, 3411, 8401, 11749, 25203, 35247, 75609, 102709, 105741, 308127, 924381, 3183979, 9551937, 28655811]

約数ペア:

[(1, 28655811), (3, 9551937), (9, 3183979), (31, 924381), (93, 308127), (271, 105741), (279, 102709), (379, 75609), (813, 35247), (1137, 25203), (2439, 11749), (3411, 8401)]