27915987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 42172416

約数和(自身を除く): 14256429

約数列:

[1, 3, 11, 33, 43, 103, 129, 191, 309, 473, 573, 1133, 1419, 2101, 3399, 4429, 6303, 8213, 13287, 19673, 24639, 48719, 59019, 90343, 146157, 216403, 271029, 649209, 845939, 2537817, 9305329, 27915987]

約数ペア:

[(1, 27915987), (3, 9305329), (11, 2537817), (33, 845939), (43, 649209), (103, 271029), (129, 216403), (191, 146157), (309, 90343), (473, 59019), (573, 48719), (1133, 24639), (1419, 19673), (2101, 13287), (3399, 8213), (4429, 6303)]