215868873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{857}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 333590400

約数和(自身を除く): 117721527

約数列:

[1, 3, 11, 17, 33, 51, 187, 449, 561, 857, 1347, 2571, 4939, 7633, 9427, 14569, 14817, 22899, 28281, 43707, 83963, 160259, 251889, 384793, 480777, 1154379, 4232723, 6541481, 12698169, 19624443, 71956291, 215868873]

約数ペア:

[(1, 215868873), (3, 71956291), (11, 19624443), (17, 12698169), (33, 6541481), (51, 4232723), (187, 1154379), (449, 480777), (561, 384793), (857, 251889), (1347, 160259), (2571, 83963), (4939, 43707), (7633, 28281), (9427, 22899), (14569, 14817)]