71981481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8831}}^1$

素因数の和:8877

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 46720599

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 8831, 26493, 97141, 114803, 167789, 291423, 344409, 503367, 1262833, 1845679, 2181257, 3788499, 5537037, 6543771, 23993827, 71981481]

約数ペア:

[(1, 71981481), (3, 23993827), (11, 6543771), (13, 5537037), (19, 3788499), (33, 2181257), (39, 1845679), (57, 1262833), (143, 503367), (209, 344409), (247, 291423), (429, 167789), (627, 114803), (741, 97141), (2717, 26493), (8151, 8831)]