620912253

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 930963456

約数和(自身を除く): 310051203

約数列:

[1, 3, 13, 39, 47, 71, 141, 169, 213, 367, 507, 611, 923, 1101, 1833, 2769, 3337, 4771, 7943, 10011, 11999, 14313, 17249, 23829, 26057, 35997, 43381, 51747, 62023, 78171, 130143, 186069, 224237, 338741, 563953, 672711, 1016223, 1224679, 1691859, 2915081, 3674037, 4403633, 8745243, 13210899, 15920827, 47762481, 206970751, 620912253]

約数ペア:

[(1, 620912253), (3, 206970751), (13, 47762481), (39, 15920827), (47, 13210899), (71, 8745243), (141, 4403633), (169, 3674037), (213, 2915081), (367, 1691859), (507, 1224679), (611, 1016223), (923, 672711), (1101, 563953), (1833, 338741), (2769, 224237), (3337, 186069), (4771, 130143), (7943, 78171), (10011, 62023), (11999, 51747), (14313, 43381), (17249, 35997), (23829, 26057)]