2152325

素因数分解:

$5^2\times 7^3\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 3124800

約数和(自身を除く): 972475

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 251, 343, 1225, 1255, 1715, 1757, 6275, 8575, 8785, 12299, 43925, 61495, 86093, 307475, 430465, 2152325]

約数ペア:

[(1, 2152325), (5, 430465), (7, 307475), (25, 86093), (35, 61495), (49, 43925), (175, 12299), (245, 8785), (251, 8575), (343, 6275), (1225, 1757), (1255, 1715)]