31471011

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 90

約数和(自身を含む): 58900380

約数和(自身を除く): 27429369

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 81, 99, 117, 121, 143, 169, 171, 209, 247, 297, 351, 363, 429, 507, 513, 627, 741, 891, 1053, 1089, 1287, 1521, 1539, 1573, 1859, 1881, 2223, 2299, 2717, 3211, 3267, 3861, 4563, 4719, 5577, 5643, 6669, 6897, 8151, 9633, 9801, 11583, 13689, 14157, 16731, 16929, 20007, 20449, 20691, 24453, 28899, 29887, 35321, 42471, 50193, 61347, 62073, 73359, 86697, 89661, 105963, 127413, 150579, 184041, 186219, 220077, 260091, 268983, 317889, 388531, 552123, 806949, 953667, 1165593, 1656369, 2420847, 2861001, 3496779, 10490337, 31471011]

約数ペア:

[(1, 31471011), (3, 10490337), (9, 3496779), (11, 2861001), (13, 2420847), (19, 1656369), (27, 1165593), (33, 953667), (39, 806949), (57, 552123), (81, 388531), (99, 317889), (117, 268983), (121, 260091), (143, 220077), (169, 186219), (171, 184041), (209, 150579), (247, 127413), (297, 105963), (351, 89661), (363, 86697), (429, 73359), (507, 62073), (513, 61347), (627, 50193), (741, 42471), (891, 35321), (1053, 29887), (1089, 28899), (1287, 24453), (1521, 20691), (1539, 20449), (1573, 20007), (1859, 16929), (1881, 16731), (2223, 14157), (2299, 13689), (2717, 11583), (3211, 9801), (3267, 9633), (3861, 8151), (4563, 6897), (4719, 6669), (5577, 5643)]