61215945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 117067968

約数和(自身を除く): 55852023

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 777, 1295, 1813, 2251, 3885, 5439, 6753, 9065, 11255, 15757, 27195, 33765, 47271, 78785, 83287, 110299, 236355, 249861, 330897, 416435, 551495, 583009, 1249305, 1654485, 1749027, 2915045, 4081063, 8745135, 12243189, 20405315, 61215945]

約数ペア:

[(1, 61215945), (3, 20405315), (5, 12243189), (7, 8745135), (15, 4081063), (21, 2915045), (35, 1749027), (37, 1654485), (49, 1249305), (105, 583009), (111, 551495), (147, 416435), (185, 330897), (245, 249861), (259, 236355), (555, 110299), (735, 83287), (777, 78785), (1295, 47271), (1813, 33765), (2251, 27195), (3885, 15757), (5439, 11255), (6753, 9065)]