203947215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{1171}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 346311936

約数和(自身を除く): 142364721

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 683, 1171, 2049, 3415, 3513, 5855, 10245, 11611, 17565, 19907, 34833, 58055, 59721, 99535, 174165, 298605, 799793, 2399379, 3998965, 11996895, 13596481, 40789443, 67982405, 203947215]

約数ペア:

[(1, 203947215), (3, 67982405), (5, 40789443), (15, 13596481), (17, 11996895), (51, 3998965), (85, 2399379), (255, 799793), (683, 298605), (1171, 174165), (2049, 99535), (3415, 59721), (3513, 58055), (5855, 34833), (10245, 19907), (11611, 17565)]