197225

素因数分解:

$5^2\times 7^3\times {\mathrm{23}}^1$

素因数の和:54

約数の個数: 24

約数和(自身を含む): 297600

約数和(自身を除く): 100375

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 343, 575, 805, 1127, 1225, 1715, 4025, 5635, 7889, 8575, 28175, 39445, 197225]

約数ペア:

[(1, 197225), (5, 39445), (7, 28175), (23, 8575), (25, 7889), (35, 5635), (49, 4025), (115, 1715), (161, 1225), (175, 1127), (245, 805), (343, 575)]