401996889

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2011}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 703073280

約数和(自身を除く): 301076391

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 167, 171, 399, 501, 1169, 1197, 1503, 2011, 3173, 3507, 6033, 9519, 10521, 14077, 18099, 22211, 28557, 38209, 42231, 66633, 114627, 126693, 199899, 267463, 335837, 343881, 802389, 1007511, 2350859, 2407167, 3022533, 6380903, 7052577, 19142709, 21157731, 44666321, 57428127, 133998963, 401996889]

約数ペア:

[(1, 401996889), (3, 133998963), (7, 57428127), (9, 44666321), (19, 21157731), (21, 19142709), (57, 7052577), (63, 6380903), (133, 3022533), (167, 2407167), (171, 2350859), (399, 1007511), (501, 802389), (1169, 343881), (1197, 335837), (1503, 267463), (2011, 199899), (3173, 126693), (3507, 114627), (6033, 66633), (9519, 42231), (10521, 38209), (14077, 28557), (18099, 22211)]