157804857

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{16811}}^1$

素因数の和:16973

約数の個数: 24

約数和(自身を含む): 262267200

約数和(自身を除く): 104462343

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 16811, 50433, 117677, 151299, 353031, 1059093, 2504839, 7514517, 17533873, 22543551, 52601619, 157804857]

約数ペア:

[(1, 157804857), (3, 52601619), (7, 22543551), (9, 17533873), (21, 7514517), (63, 2504839), (149, 1059093), (447, 353031), (1043, 151299), (1341, 117677), (3129, 50433), (9387, 16811)]