180405945

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 322397712

約数和(自身を除く): 141991767

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 277, 353, 369, 615, 831, 1059, 1385, 1765, 1845, 2493, 3177, 4155, 5295, 11357, 12465, 14473, 15885, 34071, 43419, 56785, 72365, 97781, 102213, 130257, 170355, 217095, 293343, 488905, 511065, 651285, 880029, 1466715, 4009021, 4400145, 12027063, 20045105, 36081189, 60135315, 180405945]

約数ペア:

[(1, 180405945), (3, 60135315), (5, 36081189), (9, 20045105), (15, 12027063), (41, 4400145), (45, 4009021), (123, 1466715), (205, 880029), (277, 651285), (353, 511065), (369, 488905), (615, 293343), (831, 217095), (1059, 170355), (1385, 130257), (1765, 102213), (1845, 97781), (2493, 72365), (3177, 56785), (4155, 43419), (5295, 34071), (11357, 15885), (12465, 14473)]