149779721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 190265544

約数和(自身を除く): 40485823

約数列:

[1, 7, 13, 49, 73, 91, 511, 637, 949, 3221, 3577, 6643, 22547, 41873, 46501, 157829, 235133, 293111, 1645931, 2051777, 3056729, 11521517, 21397103, 149779721]

約数ペア:

[(1, 149779721), (7, 21397103), (13, 11521517), (49, 3056729), (73, 2051777), (91, 1645931), (511, 293111), (637, 235133), (949, 157829), (3221, 46501), (3577, 41873), (6643, 22547)]