397392849

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 676995072

約数和(自身を除く): 279602223

約数列:

[1, 3, 7, 9, 21, 47, 63, 103, 141, 309, 329, 423, 721, 927, 987, 1303, 2163, 2961, 3909, 4841, 6489, 9121, 11727, 14523, 27363, 33887, 43569, 61241, 82089, 101661, 134209, 183723, 304983, 402627, 428687, 551169, 939463, 1207881, 1286061, 2818389, 3858183, 6307823, 8455167, 18923469, 44154761, 56770407, 132464283, 397392849]

約数ペア:

[(1, 397392849), (3, 132464283), (7, 56770407), (9, 44154761), (21, 18923469), (47, 8455167), (63, 6307823), (103, 3858183), (141, 2818389), (309, 1286061), (329, 1207881), (423, 939463), (721, 551169), (927, 428687), (987, 402627), (1303, 304983), (2163, 183723), (2961, 134209), (3909, 101661), (4841, 82089), (6489, 61241), (9121, 43569), (11727, 33887), (14523, 27363)]