1876455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 4054752

約数和(自身を除く): 2178297

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 37, 45, 49, 63, 69, 105, 111, 115, 147, 161, 185, 207, 245, 259, 315, 333, 345, 441, 483, 555, 735, 777, 805, 851, 1035, 1127, 1295, 1449, 1665, 1813, 2205, 2331, 2415, 2553, 3381, 3885, 4255, 5439, 5635, 5957, 7245, 7659, 9065, 10143, 11655, 12765, 16317, 16905, 17871, 27195, 29785, 38295, 41699, 50715, 53613, 81585, 89355, 125097, 208495, 268065, 375291, 625485, 1876455]

約数ペア:

[(1, 1876455), (3, 625485), (5, 375291), (7, 268065), (9, 208495), (15, 125097), (21, 89355), (23, 81585), (35, 53613), (37, 50715), (45, 41699), (49, 38295), (63, 29785), (69, 27195), (105, 17871), (111, 16905), (115, 16317), (147, 12765), (161, 11655), (185, 10143), (207, 9065), (245, 7659), (259, 7245), (315, 5957), (333, 5635), (345, 5439), (441, 4255), (483, 3885), (555, 3381), (735, 2553), (777, 2415), (805, 2331), (851, 2205), (1035, 1813), (1127, 1665), (1295, 1449)]