398581605

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4327}}^1$

素因数の和:4450

約数の個数: 48

約数和(自身を含む): 729181440

約数和(自身を除く): 330599835

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 445, 801, 1035, 1335, 2047, 4005, 4327, 6141, 10235, 12981, 18423, 21635, 30705, 38943, 64905, 92115, 99521, 194715, 298563, 385103, 497605, 895689, 1155309, 1492815, 1925515, 3465927, 4478445, 5776545, 8857369, 17329635, 26572107, 44286845, 79716321, 132860535, 398581605]

約数ペア:

[(1, 398581605), (3, 132860535), (5, 79716321), (9, 44286845), (15, 26572107), (23, 17329635), (45, 8857369), (69, 5776545), (89, 4478445), (115, 3465927), (207, 1925515), (267, 1492815), (345, 1155309), (445, 895689), (801, 497605), (1035, 385103), (1335, 298563), (2047, 194715), (4005, 99521), (4327, 92115), (6141, 64905), (10235, 38943), (12981, 30705), (18423, 21635)]