31725837

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 25206675

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 83, 99, 117, 121, 143, 243, 249, 297, 351, 363, 429, 747, 891, 913, 1053, 1079, 1089, 1287, 1573, 2241, 2673, 2739, 3159, 3237, 3267, 3861, 4719, 6723, 8217, 9711, 9801, 10043, 11583, 11869, 14157, 20169, 24651, 29133, 29403, 30129, 34749, 35607, 42471, 73953, 87399, 90387, 106821, 127413, 130559, 221859, 262197, 271161, 320463, 382239, 391677, 813483, 961389, 1175031, 2440449, 2884167, 3525093, 10575279, 31725837]

約数ペア:

[(1, 31725837), (3, 10575279), (9, 3525093), (11, 2884167), (13, 2440449), (27, 1175031), (33, 961389), (39, 813483), (81, 391677), (83, 382239), (99, 320463), (117, 271161), (121, 262197), (143, 221859), (243, 130559), (249, 127413), (297, 106821), (351, 90387), (363, 87399), (429, 73953), (747, 42471), (891, 35607), (913, 34749), (1053, 30129), (1079, 29403), (1089, 29133), (1287, 24651), (1573, 20169), (2241, 14157), (2673, 11869), (2739, 11583), (3159, 10043), (3237, 9801), (3267, 9711), (3861, 8217), (4719, 6723)]