42687379

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 20

約数和(自身を含む): 52031376

約数和(自身を除く): 9343997

約数列:

[1, 7, 23, 49, 161, 343, 773, 1127, 2401, 5411, 7889, 17779, 37877, 55223, 124453, 265139, 871171, 1855973, 6098197, 42687379]

約数ペア:

[(1, 42687379), (7, 6098197), (23, 1855973), (49, 871171), (161, 265139), (343, 124453), (773, 55223), (1127, 37877), (2401, 17779), (5411, 7889)]