51257973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42397}}^1$

素因数の和:42444

約数の個数: 16

約数和(自身を含む): 75977216

約数和(自身を除く): 24719243

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 42397, 127191, 551161, 1314307, 1653483, 3942921, 17085991, 51257973]

約数ペア:

[(1, 51257973), (3, 17085991), (13, 3942921), (31, 1653483), (39, 1314307), (93, 551161), (403, 127191), (1209, 42397)]