56978523

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 36

約数和(自身を含む): 97812000

約数和(自身を除く): 40833477

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2749, 2961, 6909, 8247, 19243, 20727, 24741, 57729, 129203, 134701, 173187, 387609, 404103, 904421, 1162827, 1212309, 2713263, 6330947, 8139789, 18992841, 56978523]

約数ペア:

[(1, 56978523), (3, 18992841), (7, 8139789), (9, 6330947), (21, 2713263), (47, 1212309), (49, 1162827), (63, 904421), (141, 404103), (147, 387609), (329, 173187), (423, 134701), (441, 129203), (987, 57729), (2303, 24741), (2749, 20727), (2961, 19243), (6909, 8247)]