1621867425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2417}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 2806427520

約数和(自身を除く): 1184560095

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 389, 575, 1167, 1725, 1945, 2417, 5835, 7251, 8947, 9725, 12085, 26841, 29175, 36255, 44735, 55591, 60425, 134205, 166773, 181275, 223675, 277955, 671025, 833865, 940213, 1389775, 2820639, 4169325, 4701065, 14103195, 21624899, 23505325, 64874697, 70515975, 108124495, 324373485, 540622475, 1621867425]

約数ペア:

[(1, 1621867425), (3, 540622475), (5, 324373485), (15, 108124495), (23, 70515975), (25, 64874697), (69, 23505325), (75, 21624899), (115, 14103195), (345, 4701065), (389, 4169325), (575, 2820639), (1167, 1389775), (1725, 940213), (1945, 833865), (2417, 671025), (5835, 277955), (7251, 223675), (8947, 181275), (9725, 166773), (12085, 134205), (26841, 60425), (29175, 55591), (36255, 44735)]