215520175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7451}}^1$

素因数の和:7563

約数の個数: 24

約数和(自身を含む): 291075120

約数和(自身を除く): 75554945

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 5785, 7451, 28925, 37255, 96863, 186275, 484315, 663139, 2421575, 3315695, 8620807, 16578475, 43104035, 215520175]

約数ペア:

[(1, 215520175), (5, 43104035), (13, 16578475), (25, 8620807), (65, 3315695), (89, 2421575), (325, 663139), (445, 484315), (1157, 186275), (2225, 96863), (5785, 37255), (7451, 28925)]