620190123

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 1011056640

約数和(自身を除く): 390866517

約数列:

[1, 3, 7, 21, 31, 59, 67, 93, 177, 201, 217, 241, 413, 469, 651, 723, 1239, 1407, 1687, 1829, 2077, 3953, 5061, 5487, 6231, 7471, 11859, 12803, 14219, 14539, 16147, 22413, 27671, 38409, 42657, 43617, 48441, 52297, 83013, 99533, 113029, 122543, 156891, 298599, 339087, 367629, 440789, 500557, 857801, 952673, 1322367, 1501671, 2573403, 2858019, 3085523, 3503899, 6668711, 9256569, 10511697, 20006133, 29532863, 88598589, 206730041, 620190123]

約数ペア:

[(1, 620190123), (3, 206730041), (7, 88598589), (21, 29532863), (31, 20006133), (59, 10511697), (67, 9256569), (93, 6668711), (177, 3503899), (201, 3085523), (217, 2858019), (241, 2573403), (413, 1501671), (469, 1322367), (651, 952673), (723, 857801), (1239, 500557), (1407, 440789), (1687, 367629), (1829, 339087), (2077, 298599), (3953, 156891), (5061, 122543), (5487, 113029), (6231, 99533), (7471, 83013), (11859, 52297), (12803, 48441), (14219, 43617), (14539, 42657), (16147, 38409), (22413, 27671)]