71723309

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 90014400

約数和(自身を除く): 18291091

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 1879, 2009, 5453, 13153, 35701, 38171, 77039, 92071, 249907, 539273, 1463741, 1749349, 3774911, 10246187, 71723309]

約数ペア:

[(1, 71723309), (7, 10246187), (19, 3774911), (41, 1749349), (49, 1463741), (133, 539273), (287, 249907), (779, 92071), (931, 77039), (1879, 38171), (2009, 35701), (5453, 13153)]