17932815

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 32415552

約数和(自身を除く): 14482737

約数列:

[1, 3, 5, 9, 15, 45, 53, 73, 103, 159, 219, 265, 309, 365, 477, 515, 657, 795, 927, 1095, 1545, 2385, 3285, 3869, 4635, 5459, 7519, 11607, 16377, 19345, 22557, 27295, 34821, 37595, 49131, 58035, 67671, 81885, 112785, 174105, 245655, 338355, 398507, 1195521, 1992535, 3586563, 5977605, 17932815]

約数ペア:

[(1, 17932815), (3, 5977605), (5, 3586563), (9, 1992535), (15, 1195521), (45, 398507), (53, 338355), (73, 245655), (103, 174105), (159, 112785), (219, 81885), (265, 67671), (309, 58035), (365, 49131), (477, 37595), (515, 34821), (657, 27295), (795, 22557), (927, 19345), (1095, 16377), (1545, 11607), (2385, 7519), (3285, 5459), (3869, 4635)]