31980591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6449}}^1$

素因数の和:6503

約数の個数: 24

約数和(自身を含む): 50310000

約数和(自身を除く): 18329409

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 6449, 19347, 58041, 122531, 187021, 367593, 561063, 1102779, 1683189, 3553399, 10660197, 31980591]

約数ペア:

[(1, 31980591), (3, 10660197), (9, 3553399), (19, 1683189), (29, 1102779), (57, 561063), (87, 367593), (171, 187021), (261, 122531), (551, 58041), (1653, 19347), (4959, 6449)]