890402373

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 1549928952

約数和(自身を除く): 659526579

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 197, 259, 277, 333, 441, 591, 777, 831, 1379, 1773, 1813, 1939, 2331, 2493, 4137, 5439, 5817, 7289, 9653, 10249, 12411, 13573, 16317, 17451, 21867, 28959, 30747, 40719, 51023, 54569, 65601, 71743, 86877, 92241, 122157, 153069, 163707, 215229, 357161, 381983, 459207, 491121, 502201, 645687, 1071483, 1145949, 1506603, 2019053, 2673881, 3214449, 3437847, 4519809, 6057159, 8021643, 14133371, 18171477, 24064929, 42400113, 98933597, 127200339, 296800791, 890402373]

約数ペア:

[(1, 890402373), (3, 296800791), (7, 127200339), (9, 98933597), (21, 42400113), (37, 24064929), (49, 18171477), (63, 14133371), (111, 8021643), (147, 6057159), (197, 4519809), (259, 3437847), (277, 3214449), (333, 2673881), (441, 2019053), (591, 1506603), (777, 1145949), (831, 1071483), (1379, 645687), (1773, 502201), (1813, 491121), (1939, 459207), (2331, 381983), (2493, 357161), (4137, 215229), (5439, 163707), (5817, 153069), (7289, 122157), (9653, 92241), (10249, 86877), (12411, 71743), (13573, 65601), (16317, 54569), (17451, 51023), (21867, 40719), (28959, 30747)]