212355

素因数分解:

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

素因数の和:49

約数の個数: 48

約数和(自身を含む): 446880

約数和(自身を除く): 234525

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 121, 135, 143, 165, 195, 297, 351, 363, 429, 495, 585, 605, 715, 1089, 1287, 1485, 1573, 1755, 1815, 2145, 3267, 3861, 4719, 5445, 6435, 7865, 14157, 16335, 19305, 23595, 42471, 70785, 212355]

約数ペア:

[(1, 212355), (3, 70785), (5, 42471), (9, 23595), (11, 19305), (13, 16335), (15, 14157), (27, 7865), (33, 6435), (39, 5445), (45, 4719), (55, 3861), (65, 3267), (99, 2145), (117, 1815), (121, 1755), (135, 1573), (143, 1485), (165, 1287), (195, 1089), (297, 715), (351, 605), (363, 585), (429, 495)]