1878013935

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{8269}}^1$

素因数の和:8397

約数の個数: 72

約数和(自身を含む): 3823915680

約数和(自身を除く): 1945901745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 103, 105, 147, 245, 309, 315, 441, 515, 721, 735, 927, 1545, 2163, 2205, 3605, 4635, 5047, 6489, 8269, 10815, 15141, 24807, 25235, 32445, 41345, 45423, 57883, 74421, 75705, 124035, 173649, 227115, 289415, 372105, 405181, 520947, 851707, 868245, 1215543, 2025905, 2555121, 2604735, 3646629, 4258535, 5961949, 6077715, 7665363, 12775605, 17885847, 18233145, 29809745, 38326815, 41733643, 53657541, 89429235, 125200929, 208668215, 268287705, 375602787, 626004645, 1878013935]

約数ペア:

[(1, 1878013935), (3, 626004645), (5, 375602787), (7, 268287705), (9, 208668215), (15, 125200929), (21, 89429235), (35, 53657541), (45, 41733643), (49, 38326815), (63, 29809745), (103, 18233145), (105, 17885847), (147, 12775605), (245, 7665363), (309, 6077715), (315, 5961949), (441, 4258535), (515, 3646629), (721, 2604735), (735, 2555121), (927, 2025905), (1545, 1215543), (2163, 868245), (2205, 851707), (3605, 520947), (4635, 405181), (5047, 372105), (6489, 289415), (8269, 227115), (10815, 173649), (15141, 124035), (24807, 75705), (25235, 74421), (32445, 57883), (41345, 45423)]