81730404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{108109}}^1$

素因数の和:108129

約数の個数: 48

約数和(自身を含む): 242166400

約数和(自身を除く): 160435996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 108109, 216218, 324327, 432436, 648654, 756763, 972981, 1297308, 1513526, 1945962, 2270289, 2918943, 3027052, 3891924, 4540578, 5837886, 6810867, 9081156, 11675772, 13621734, 20432601, 27243468, 40865202, 81730404]

約数ペア:

[(1, 81730404), (2, 40865202), (3, 27243468), (4, 20432601), (6, 13621734), (7, 11675772), (9, 9081156), (12, 6810867), (14, 5837886), (18, 4540578), (21, 3891924), (27, 3027052), (28, 2918943), (36, 2270289), (42, 1945962), (54, 1513526), (63, 1297308), (84, 972981), (108, 756763), (126, 648654), (189, 432436), (252, 324327), (378, 216218), (756, 108109)]