201890907

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3313}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 312311360

約数和(自身を除く): 110420453

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 333, 549, 999, 1647, 2257, 3313, 6771, 9939, 20313, 29817, 60939, 89451, 122581, 202093, 367743, 606279, 1103229, 1818837, 3309687, 5456511, 7477441, 22432323, 67296969, 201890907]

約数ペア:

[(1, 201890907), (3, 67296969), (9, 22432323), (27, 7477441), (37, 5456511), (61, 3309687), (111, 1818837), (183, 1103229), (333, 606279), (549, 367743), (999, 202093), (1647, 122581), (2257, 89451), (3313, 60939), (6771, 29817), (9939, 20313)]