420186987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{4463}}^1$

素因数の和:4800

約数の個数: 32

約数和(自身を含む): 681384960

約数和(自身を除く): 261197973

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 317, 951, 2853, 3487, 4463, 8559, 10461, 13389, 31383, 40167, 49093, 94149, 120501, 147279, 441837, 1325511, 1414771, 4244313, 12732939, 15562481, 38198817, 46687443, 140062329, 420186987]

約数ペア:

[(1, 420186987), (3, 140062329), (9, 46687443), (11, 38198817), (27, 15562481), (33, 12732939), (99, 4244313), (297, 1414771), (317, 1325511), (951, 441837), (2853, 147279), (3487, 120501), (4463, 94149), (8559, 49093), (10461, 40167), (13389, 31383)]