243399009

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{887}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 378501120

約数和(自身を除く): 135102111

約数列:

[1, 3, 7, 21, 73, 179, 219, 511, 537, 887, 1253, 1533, 2661, 3759, 6209, 13067, 18627, 39201, 64751, 91469, 158773, 194253, 274407, 453257, 476319, 1111411, 1359771, 3334233, 11590429, 34771287, 81133003, 243399009]

約数ペア:

[(1, 243399009), (3, 81133003), (7, 34771287), (21, 11590429), (73, 3334233), (179, 1359771), (219, 1111411), (511, 476319), (537, 453257), (887, 274407), (1253, 194253), (1533, 158773), (2661, 91469), (3759, 64751), (6209, 39201), (13067, 18627)]