205987125

素因数分解:

$3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{5333}}^1$

素因数の和:5454

約数の個数: 32

約数和(自身を含む): 346155264

約数和(自身を除く): 140168139

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 309, 375, 515, 1545, 2575, 5333, 7725, 12875, 15999, 26665, 38625, 79995, 133325, 399975, 549299, 666625, 1647897, 1999875, 2746495, 8239485, 13732475, 41197425, 68662375, 205987125]

約数ペア:

[(1, 205987125), (3, 68662375), (5, 41197425), (15, 13732475), (25, 8239485), (75, 2746495), (103, 1999875), (125, 1647897), (309, 666625), (375, 549299), (515, 399975), (1545, 133325), (2575, 79995), (5333, 38625), (7725, 26665), (12875, 15999)]