221487165

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{62303}}^1$

素因数の和:62393

約数の個数: 24

約数和(自身を含む): 388776960

約数和(自身を除く): 167289795

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 62303, 186909, 311515, 560727, 934545, 2803635, 4921937, 14765811, 24609685, 44297433, 73829055, 221487165]

約数ペア:

[(1, 221487165), (3, 73829055), (5, 44297433), (9, 24609685), (15, 14765811), (45, 4921937), (79, 2803635), (237, 934545), (395, 560727), (711, 311515), (1185, 186909), (3555, 62303)]