210345807

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{1987}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 325268608

約数和(自身を除く): 114922801

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1987, 5041, 5961, 13909, 15123, 35287, 41727, 105861, 141077, 423231, 987539, 2962617, 10016467, 30049401, 70115269, 210345807]

約数ペア:

[(1, 210345807), (3, 70115269), (7, 30049401), (21, 10016467), (71, 2962617), (213, 987539), (497, 423231), (1491, 141077), (1987, 105861), (5041, 41727), (5961, 35287), (13909, 15123)]