18160857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 31344768

約数和(自身を除く): 13183911

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 137, 143, 309, 411, 429, 927, 1133, 1233, 1287, 1339, 1507, 1781, 3399, 4017, 4521, 5343, 10197, 12051, 13563, 14111, 14729, 16029, 19591, 42333, 44187, 58773, 126999, 132561, 155221, 176319, 183443, 465663, 550329, 1396989, 1650987, 2017873, 6053619, 18160857]

約数ペア:

[(1, 18160857), (3, 6053619), (9, 2017873), (11, 1650987), (13, 1396989), (33, 550329), (39, 465663), (99, 183443), (103, 176319), (117, 155221), (137, 132561), (143, 126999), (309, 58773), (411, 44187), (429, 42333), (927, 19591), (1133, 16029), (1233, 14729), (1287, 14111), (1339, 13563), (1507, 12051), (1781, 10197), (3399, 5343), (4017, 4521)]