78800253

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 128434176

約数和(自身を除く): 49633923

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 721, 1751, 2143, 2163, 5253, 6429, 12257, 15001, 36431, 36771, 45003, 109293, 220729, 255017, 662187, 765051, 1545103, 3752393, 4635309, 11257179, 26266751, 78800253]

約数ペア:

[(1, 78800253), (3, 26266751), (7, 11257179), (17, 4635309), (21, 3752393), (51, 1545103), (103, 765051), (119, 662187), (309, 255017), (357, 220729), (721, 109293), (1751, 45003), (2143, 36771), (2163, 36431), (5253, 15001), (6429, 12257)]