39878937

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15439}}^1$

素因数の和:15493

約数の個数: 24

約数和(自身を含む): 67441920

約数和(自身を除く): 27562983

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 15439, 46317, 108073, 138951, 324219, 632999, 972657, 1898997, 4430993, 5696991, 13292979, 39878937]

約数ペア:

[(1, 39878937), (3, 13292979), (7, 5696991), (9, 4430993), (21, 1898997), (41, 972657), (63, 632999), (123, 324219), (287, 138951), (369, 108073), (861, 46317), (2583, 15439)]