3218025

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 5383584

約数和(自身を除く): 2165559

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 401, 535, 1203, 1605, 2005, 2675, 6015, 8025, 10025, 30075, 42907, 128721, 214535, 643605, 1072675, 3218025]

約数ペア:

[(1, 3218025), (3, 1072675), (5, 643605), (15, 214535), (25, 128721), (75, 42907), (107, 30075), (321, 10025), (401, 8025), (535, 6015), (1203, 2675), (1605, 2005)]