31500387

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 48322560

約数和(自身を除く): 16822173

約数列:

[1, 3, 9, 27, 47, 103, 141, 241, 309, 423, 723, 927, 1269, 2169, 2781, 4841, 6507, 11327, 14523, 24823, 33981, 43569, 74469, 101943, 130707, 223407, 305829, 670221, 1166681, 3500043, 10500129, 31500387]

約数ペア:

[(1, 31500387), (3, 10500129), (9, 3500043), (27, 1166681), (47, 670221), (103, 305829), (141, 223407), (241, 130707), (309, 101943), (423, 74469), (723, 43569), (927, 33981), (1269, 24823), (2169, 14523), (2781, 11327), (4841, 6507)]