27921089

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 8470591

約数列:

[1, 7, 17, 19, 53, 119, 133, 233, 323, 371, 901, 1007, 1631, 2261, 3961, 4427, 6307, 7049, 12349, 17119, 27727, 30989, 75259, 86443, 119833, 209933, 234631, 526813, 1469531, 1642417, 3988727, 27921089]

約数ペア:

[(1, 27921089), (7, 3988727), (17, 1642417), (19, 1469531), (53, 526813), (119, 234631), (133, 209933), (233, 119833), (323, 86443), (371, 75259), (901, 30989), (1007, 27727), (1631, 17119), (2261, 12349), (3961, 7049), (4427, 6307)]