9991404

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 26288640

約数和(自身を除く): 16297236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1303, 1917, 2556, 2606, 3834, 3909, 5212, 7668, 7818, 11727, 15636, 23454, 35181, 46908, 70362, 92513, 140724, 185026, 277539, 370052, 555078, 832617, 1110156, 1665234, 2497851, 3330468, 4995702, 9991404]

約数ペア:

[(1, 9991404), (2, 4995702), (3, 3330468), (4, 2497851), (6, 1665234), (9, 1110156), (12, 832617), (18, 555078), (27, 370052), (36, 277539), (54, 185026), (71, 140724), (108, 92513), (142, 70362), (213, 46908), (284, 35181), (426, 23454), (639, 15636), (852, 11727), (1278, 7818), (1303, 7668), (1917, 5212), (2556, 3909), (2606, 3834)]