2187325

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 3214080

約数和(自身を除く): 1026755

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 431, 725, 1015, 2155, 3017, 5075, 10775, 12499, 15085, 62495, 75425, 87493, 312475, 437465, 2187325]

約数ペア:

[(1, 2187325), (5, 437465), (7, 312475), (25, 87493), (29, 75425), (35, 62495), (145, 15085), (175, 12499), (203, 10775), (431, 5075), (725, 3017), (1015, 2155)]