17430921

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 25862304

約数和(自身を除く): 8431383

約数列:

[1, 3, 9, 67, 137, 201, 211, 411, 603, 633, 1233, 1899, 9179, 14137, 27537, 28907, 42411, 82611, 86721, 127233, 260163, 1936769, 5810307, 17430921]

約数ペア:

[(1, 17430921), (3, 5810307), (9, 1936769), (67, 260163), (137, 127233), (201, 86721), (211, 82611), (411, 42411), (603, 28907), (633, 27537), (1233, 14137), (1899, 9179)]