17685387

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 26237120

約数和(自身を除く): 8551733

約数列:

[1, 3, 9, 67, 139, 201, 211, 417, 603, 633, 1251, 1899, 9313, 14137, 27939, 29329, 42411, 83817, 87987, 127233, 263961, 1965043, 5895129, 17685387]

約数ペア:

[(1, 17685387), (3, 5895129), (9, 1965043), (67, 263961), (139, 127233), (201, 87987), (211, 83817), (417, 42411), (603, 29329), (633, 27939), (1251, 14137), (1899, 9313)]