200200905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 357888960

約数和(自身を除く): 157688055

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 157, 215, 387, 471, 645, 659, 785, 1413, 1935, 1977, 2355, 3295, 5931, 6751, 7065, 9885, 20253, 28337, 29655, 33755, 60759, 85011, 101265, 103463, 141685, 255033, 303795, 310389, 425055, 517315, 931167, 1275165, 1551945, 4448909, 4655835, 13346727, 22244545, 40040181, 66733635, 200200905]

約数ペア:

[(1, 200200905), (3, 66733635), (5, 40040181), (9, 22244545), (15, 13346727), (43, 4655835), (45, 4448909), (129, 1551945), (157, 1275165), (215, 931167), (387, 517315), (471, 425055), (645, 310389), (659, 303795), (785, 255033), (1413, 141685), (1935, 103463), (1977, 101265), (2355, 85011), (3295, 60759), (5931, 33755), (6751, 29655), (7065, 28337), (9885, 20253)]