281036655

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90511}}^1$

素因数の和:90548

約数の個数: 32

約数和(自身を含む): 521349120

約数和(自身を除く): 240312465

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 90511, 271533, 452555, 814599, 1357665, 2081753, 2443797, 4072995, 6245259, 10408765, 12218985, 18735777, 31226295, 56207331, 93678885, 281036655]

約数ペア:

[(1, 281036655), (3, 93678885), (5, 56207331), (9, 31226295), (15, 18735777), (23, 12218985), (27, 10408765), (45, 6245259), (69, 4072995), (115, 2443797), (135, 2081753), (207, 1357665), (345, 814599), (621, 452555), (1035, 271533), (3105, 90511)]