27121745

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 39091968

約数和(自身を除く): 11970223

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 3571, 7595, 17855, 24997, 110701, 124985, 174979, 553505, 774907, 874895, 3874535, 5424349, 27121745]

約数ペア:

[(1, 27121745), (5, 5424349), (7, 3874535), (31, 874895), (35, 774907), (49, 553505), (155, 174979), (217, 124985), (245, 110701), (1085, 24997), (1519, 17855), (3571, 7595)]