13920361

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 27

約数和(自身を含む): 17972613

約数和(自身を除く): 4052252

約数列:

[1, 7, 13, 41, 49, 91, 169, 287, 533, 637, 1183, 1681, 2009, 3731, 6929, 8281, 11767, 21853, 26117, 48503, 82369, 152971, 284089, 339521, 1070797, 1988623, 13920361]

約数ペア:

[(1, 13920361), (7, 1988623), (13, 1070797), (41, 339521), (49, 284089), (91, 152971), (169, 82369), (287, 48503), (533, 26117), (637, 21853), (1183, 11767), (1681, 8281), (2009, 6929)]