86894493

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{12577}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 137653632

約数和(自身を除く): 50759139

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 12577, 37731, 88039, 264117, 591119, 616273, 1773357, 1848819, 4137833, 12413499, 28964831, 86894493]

約数ペア:

[(1, 86894493), (3, 28964831), (7, 12413499), (21, 4137833), (47, 1848819), (49, 1773357), (141, 616273), (147, 591119), (329, 264117), (987, 88039), (2303, 37731), (6909, 12577)]