13881175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7211}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 21462912

約数和(自身を除く): 7581737

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 7211, 36055, 50477, 79321, 180275, 252385, 396605, 555247, 1261925, 1983025, 2776235, 13881175]

約数ペア:

[(1, 13881175), (5, 2776235), (7, 1983025), (11, 1261925), (25, 555247), (35, 396605), (55, 252385), (77, 180275), (175, 79321), (275, 50477), (385, 36055), (1925, 7211)]