71642781

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{6353}}^1$

素因数の和:6545

約数の個数: 24

約数和(自身を含む): 118946880

約数和(自身を除く): 47304099

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 3759, 6353, 11277, 19059, 44471, 57177, 133413, 400239, 1137187, 3411561, 7960309, 10234683, 23880927, 71642781]

約数ペア:

[(1, 71642781), (3, 23880927), (7, 10234683), (9, 7960309), (21, 3411561), (63, 1137187), (179, 400239), (537, 133413), (1253, 57177), (1611, 44471), (3759, 19059), (6353, 11277)]