68420499

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 106951680

約数和(自身を除く): 38531181

約数列:

[1, 3, 7, 21, 71, 109, 213, 327, 421, 497, 763, 1263, 1491, 2289, 2947, 7739, 8841, 23217, 29891, 45889, 54173, 89673, 137667, 162519, 209237, 321223, 627711, 963669, 3258119, 9774357, 22806833, 68420499]

約数ペア:

[(1, 68420499), (3, 22806833), (7, 9774357), (21, 3258119), (71, 963669), (109, 627711), (213, 321223), (327, 209237), (421, 162519), (497, 137667), (763, 89673), (1263, 54173), (1491, 45889), (2289, 29891), (2947, 23217), (7739, 8841)]