81783198

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{649073}}^1$

素因数の和:649088

約数の個数: 24

約数和(自身を含む): 202511088

約数和(自身を除く): 120727890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 649073, 1298146, 1947219, 3894438, 4543511, 5841657, 9087022, 11683314, 13630533, 27261066, 40891599, 81783198]

約数ペア:

[(1, 81783198), (2, 40891599), (3, 27261066), (6, 13630533), (7, 11683314), (9, 9087022), (14, 5841657), (18, 4543511), (21, 3894438), (42, 1947219), (63, 1298146), (126, 649073)]