13257125

素因数分解:

$5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 19219200

約数和(自身を除く): 5962075

約数列:

[1, 5, 7, 25, 35, 109, 125, 139, 175, 545, 695, 763, 875, 973, 2725, 3475, 3815, 4865, 13625, 15151, 17375, 19075, 24325, 75755, 95375, 106057, 121625, 378775, 530285, 1893875, 2651425, 13257125]

約数ペア:

[(1, 13257125), (5, 2651425), (7, 1893875), (25, 530285), (35, 378775), (109, 121625), (125, 106057), (139, 95375), (175, 75755), (545, 24325), (695, 19075), (763, 17375), (875, 15151), (973, 13625), (2725, 4865), (3475, 3815)]