40089861

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21943}}^1$

素因数の和:21985

約数の個数: 24

約数和(自身を含む): 68465280

約数和(自身を除く): 28375419

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 21943, 65829, 153601, 197487, 460803, 636347, 1382409, 1909041, 4454429, 5727123, 13363287, 40089861]

約数ペア:

[(1, 40089861), (3, 13363287), (7, 5727123), (9, 4454429), (21, 1909041), (29, 1382409), (63, 636347), (87, 460803), (203, 197487), (261, 153601), (609, 65829), (1827, 21943)]