18087315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 12463725

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 509, 515, 1527, 1545, 2369, 2545, 7107, 7635, 11707, 11845, 35121, 35535, 52427, 58535, 157281, 175605, 262135, 786405, 1205821, 3617463, 6029105, 18087315]

約数ペア:

[(1, 18087315), (3, 6029105), (5, 3617463), (15, 1205821), (23, 786405), (69, 262135), (103, 175605), (115, 157281), (309, 58535), (345, 52427), (509, 35535), (515, 35121), (1527, 11845), (1545, 11707), (2369, 7635), (2545, 7107)]