221427429

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 311235456

約数和(自身を除く): 89808027

約数列:

[1, 3, 41, 67, 97, 123, 201, 277, 291, 831, 2747, 3977, 6499, 8241, 11357, 11931, 18559, 19497, 26869, 34071, 55677, 80607, 266459, 760919, 799377, 1101629, 1800223, 2282757, 3304887, 5400669, 73809143, 221427429]

約数ペア:

[(1, 221427429), (3, 73809143), (41, 5400669), (67, 3304887), (97, 2282757), (123, 1800223), (201, 1101629), (277, 799377), (291, 760919), (831, 266459), (2747, 80607), (3977, 55677), (6499, 34071), (8241, 26869), (11357, 19497), (11931, 18559)]