40321281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 74833920

約数和(自身を除く): 34512639

約数列:

[1, 3, 7, 11, 13, 21, 29, 33, 39, 77, 87, 91, 143, 203, 231, 273, 319, 377, 429, 463, 609, 957, 1001, 1131, 1389, 2233, 2639, 3003, 3241, 4147, 5093, 6019, 6699, 7917, 9723, 12441, 13427, 15279, 18057, 29029, 35651, 40281, 42133, 66209, 87087, 93989, 106953, 126399, 147697, 174551, 198627, 281967, 443091, 463463, 523653, 1033879, 1221857, 1390389, 1920061, 3101637, 3665571, 5760183, 13440427, 40321281]

約数ペア:

[(1, 40321281), (3, 13440427), (7, 5760183), (11, 3665571), (13, 3101637), (21, 1920061), (29, 1390389), (33, 1221857), (39, 1033879), (77, 523653), (87, 463463), (91, 443091), (143, 281967), (203, 198627), (231, 174551), (273, 147697), (319, 126399), (377, 106953), (429, 93989), (463, 87087), (609, 66209), (957, 42133), (1001, 40281), (1131, 35651), (1389, 29029), (2233, 18057), (2639, 15279), (3003, 13427), (3241, 12441), (4147, 9723), (5093, 7917), (6019, 6699)]