17121321

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 29223680

約数和(自身を除く): 12102359

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 577, 1099, 1413, 1731, 3297, 4039, 4239, 5193, 9891, 12117, 15579, 29673, 36351, 90589, 109053, 271767, 634123, 815301, 1902369, 2445903, 5707107, 17121321]

約数ペア:

[(1, 17121321), (3, 5707107), (7, 2445903), (9, 1902369), (21, 815301), (27, 634123), (63, 271767), (157, 109053), (189, 90589), (471, 36351), (577, 29673), (1099, 15579), (1413, 12117), (1731, 9891), (3297, 5193), (4039, 4239)]