40292217

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 71809920

約数和(自身を除く): 31517703

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 821, 861, 1197, 2337, 2463, 2583, 5453, 5747, 7011, 7389, 15599, 16359, 17241, 33661, 46797, 49077, 51723, 100983, 109193, 140391, 235627, 302949, 327579, 639559, 706881, 982737, 1918677, 2120643, 4476913, 5756031, 13430739, 40292217]

約数ペア:

[(1, 40292217), (3, 13430739), (7, 5756031), (9, 4476913), (19, 2120643), (21, 1918677), (41, 982737), (57, 706881), (63, 639559), (123, 327579), (133, 302949), (171, 235627), (287, 140391), (369, 109193), (399, 100983), (779, 51723), (821, 49077), (861, 46797), (1197, 33661), (2337, 17241), (2463, 16359), (2583, 15599), (5453, 7389), (5747, 7011)]