390211953

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 550702080

約数和(自身を除く): 160490127

約数列:

[1, 3, 37, 67, 71, 111, 201, 213, 739, 2217, 2479, 2627, 4757, 7437, 7881, 14271, 27343, 49513, 52469, 82029, 148539, 157407, 176009, 528027, 1831981, 1941353, 3515423, 5495943, 5824059, 10546269, 130070651, 390211953]

約数ペア:

[(1, 390211953), (3, 130070651), (37, 10546269), (67, 5824059), (71, 5495943), (111, 3515423), (201, 1941353), (213, 1831981), (739, 528027), (2217, 176009), (2479, 157407), (2627, 148539), (4757, 82029), (7437, 52469), (7881, 49513), (14271, 27343)]