87761331

素因数分解:

$3^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1471}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 145127424

約数和(自身を除く): 57366093

約数列:

[1, 3, 7, 9, 21, 63, 947, 1471, 2841, 4413, 6629, 8523, 10297, 13239, 19887, 30891, 59661, 92673, 1393037, 4179111, 9751259, 12537333, 29253777, 87761331]

約数ペア:

[(1, 87761331), (3, 29253777), (7, 12537333), (9, 9751259), (21, 4179111), (63, 1393037), (947, 92673), (1471, 59661), (2841, 30891), (4413, 19887), (6629, 13239), (8523, 10297)]