1386945

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 3041064

約数和(自身を除く): 1654119

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 37, 45, 49, 51, 63, 85, 105, 111, 119, 147, 153, 185, 245, 255, 259, 315, 333, 357, 441, 555, 595, 629, 735, 765, 777, 833, 1071, 1295, 1665, 1785, 1813, 1887, 2205, 2331, 2499, 3145, 3885, 4165, 4403, 5355, 5439, 5661, 7497, 9065, 9435, 11655, 12495, 13209, 16317, 22015, 27195, 28305, 30821, 37485, 39627, 66045, 81585, 92463, 154105, 198135, 277389, 462315, 1386945]

約数ペア:

[(1, 1386945), (3, 462315), (5, 277389), (7, 198135), (9, 154105), (15, 92463), (17, 81585), (21, 66045), (35, 39627), (37, 37485), (45, 30821), (49, 28305), (51, 27195), (63, 22015), (85, 16317), (105, 13209), (111, 12495), (119, 11655), (147, 9435), (153, 9065), (185, 7497), (245, 5661), (255, 5439), (259, 5355), (315, 4403), (333, 4165), (357, 3885), (441, 3145), (555, 2499), (595, 2331), (629, 2205), (735, 1887), (765, 1813), (777, 1785), (833, 1665), (1071, 1295)]