65270775

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 113615744

約数和(自身を除く): 48344969

約数列:

[1, 3, 5, 15, 25, 37, 43, 75, 111, 129, 185, 215, 547, 555, 645, 925, 1075, 1591, 1641, 2735, 2775, 3225, 4773, 7955, 8205, 13675, 20239, 23521, 23865, 39775, 41025, 60717, 70563, 101195, 117605, 119325, 303585, 352815, 505975, 588025, 870277, 1517925, 1764075, 2610831, 4351385, 13054155, 21756925, 65270775]

約数ペア:

[(1, 65270775), (3, 21756925), (5, 13054155), (15, 4351385), (25, 2610831), (37, 1764075), (43, 1517925), (75, 870277), (111, 588025), (129, 505975), (185, 352815), (215, 303585), (547, 119325), (555, 117605), (645, 101195), (925, 70563), (1075, 60717), (1591, 41025), (1641, 39775), (2735, 23865), (2775, 23521), (3225, 20239), (4773, 13675), (7955, 8205)]