17207967

素因数分解:

$3^1\times 7^4\times {\mathrm{2389}}^1$

素因数の和:2420

約数の個数: 20

約数和(自身を含む): 26777560

約数和(自身を除く): 9569593

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2389, 2401, 7167, 7203, 16723, 50169, 117061, 351183, 819427, 2458281, 5735989, 17207967]

約数ペア:

[(1, 17207967), (3, 5735989), (7, 2458281), (21, 819427), (49, 351183), (147, 117061), (343, 50169), (1029, 16723), (2389, 7203), (2401, 7167)]