71223867

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 90

約数和(自身を含む): 129580836

約数和(自身を除く): 58356969

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 43, 81, 99, 117, 121, 129, 143, 169, 297, 351, 363, 387, 429, 473, 507, 559, 891, 1053, 1089, 1161, 1287, 1419, 1521, 1573, 1677, 1859, 3267, 3483, 3861, 4257, 4563, 4719, 5031, 5203, 5577, 6149, 7267, 9801, 11583, 12771, 13689, 14157, 15093, 15609, 16731, 18447, 20449, 21801, 38313, 42471, 45279, 46827, 50193, 55341, 61347, 65403, 67639, 79937, 127413, 140481, 150579, 166023, 184041, 196209, 202917, 239811, 421443, 498069, 552123, 588627, 608751, 719433, 879307, 1656369, 1826253, 2158299, 2637921, 5478759, 6474897, 7913763, 23741289, 71223867]

約数ペア:

[(1, 71223867), (3, 23741289), (9, 7913763), (11, 6474897), (13, 5478759), (27, 2637921), (33, 2158299), (39, 1826253), (43, 1656369), (81, 879307), (99, 719433), (117, 608751), (121, 588627), (129, 552123), (143, 498069), (169, 421443), (297, 239811), (351, 202917), (363, 196209), (387, 184041), (429, 166023), (473, 150579), (507, 140481), (559, 127413), (891, 79937), (1053, 67639), (1089, 65403), (1161, 61347), (1287, 55341), (1419, 50193), (1521, 46827), (1573, 45279), (1677, 42471), (1859, 38313), (3267, 21801), (3483, 20449), (3861, 18447), (4257, 16731), (4563, 15609), (4719, 15093), (5031, 14157), (5203, 13689), (5577, 12771), (6149, 11583), (7267, 9801)]