681225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 1166592

約数和(自身を除く): 485367

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 293, 465, 775, 879, 1465, 2325, 4395, 7325, 9083, 21975, 27249, 45415, 136245, 227075, 681225]

約数ペア:

[(1, 681225), (3, 227075), (5, 136245), (15, 45415), (25, 27249), (31, 21975), (75, 9083), (93, 7325), (155, 4395), (293, 2325), (465, 1465), (775, 879)]