18306735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 12935505

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1129, 3243, 3387, 5405, 5645, 16215, 16935, 25967, 53063, 77901, 129835, 159189, 265315, 389505, 795945, 1220449, 3661347, 6102245, 18306735]

約数ペア:

[(1, 18306735), (3, 6102245), (5, 3661347), (15, 1220449), (23, 795945), (47, 389505), (69, 265315), (115, 159189), (141, 129835), (235, 77901), (345, 53063), (705, 25967), (1081, 16935), (1129, 16215), (3243, 5645), (3387, 5405)]