27860001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 14274399

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 449, 481, 559, 1347, 1443, 1591, 1677, 4773, 5837, 16613, 17511, 19307, 20683, 49839, 57921, 62049, 215969, 250991, 647907, 714359, 752973, 2143077, 9286667, 27860001]

約数ペア:

[(1, 27860001), (3, 9286667), (13, 2143077), (37, 752973), (39, 714359), (43, 647907), (111, 250991), (129, 215969), (449, 62049), (481, 57921), (559, 49839), (1347, 20683), (1443, 19307), (1591, 17511), (1677, 16613), (4773, 5837)]