1911195

素因数分解:

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

素因数の和:55

約数の個数: 72

約数和(自身を含む): 4066608

約数和(自身を除く): 2155413

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 81, 99, 117, 121, 135, 143, 165, 195, 243, 297, 351, 363, 405, 429, 495, 585, 605, 715, 891, 1053, 1089, 1215, 1287, 1485, 1573, 1755, 1815, 2145, 2673, 3159, 3267, 3861, 4455, 4719, 5265, 5445, 6435, 7865, 9801, 11583, 13365, 14157, 15795, 16335, 19305, 23595, 29403, 34749, 42471, 49005, 57915, 70785, 127413, 147015, 173745, 212355, 382239, 637065, 1911195]

約数ペア:

[(1, 1911195), (3, 637065), (5, 382239), (9, 212355), (11, 173745), (13, 147015), (15, 127413), (27, 70785), (33, 57915), (39, 49005), (45, 42471), (55, 34749), (65, 29403), (81, 23595), (99, 19305), (117, 16335), (121, 15795), (135, 14157), (143, 13365), (165, 11583), (195, 9801), (243, 7865), (297, 6435), (351, 5445), (363, 5265), (405, 4719), (429, 4455), (495, 3861), (585, 3267), (605, 3159), (715, 2673), (891, 2145), (1053, 1815), (1089, 1755), (1215, 1573), (1287, 1485)]