7871409

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 36

約数和(自身を含む): 14253876

約数和(自身を除く): 6382467

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1373, 1911, 4119, 5733, 9611, 12357, 17849, 28833, 53547, 67277, 86499, 124943, 160641, 201831, 374829, 605493, 874601, 1124487, 2623803, 7871409]

約数ペア:

[(1, 7871409), (3, 2623803), (7, 1124487), (9, 874601), (13, 605493), (21, 374829), (39, 201831), (49, 160641), (63, 124943), (91, 86499), (117, 67277), (147, 53547), (273, 28833), (441, 17849), (637, 12357), (819, 9611), (1373, 5733), (1911, 4119)]