31348161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 53616640

約数和(自身を除く): 22268479

約数列:

[1, 3, 9, 13, 27, 31, 39, 43, 67, 93, 117, 129, 201, 279, 351, 387, 403, 559, 603, 837, 871, 1161, 1209, 1333, 1677, 1809, 2077, 2613, 2881, 3627, 3999, 5031, 6231, 7839, 8643, 10881, 11997, 15093, 17329, 18693, 23517, 25929, 27001, 35991, 37453, 51987, 56079, 77787, 81003, 89311, 112359, 155961, 243009, 267933, 337077, 467883, 729027, 803799, 1011231, 1161043, 2411397, 3483129, 10449387, 31348161]

約数ペア:

[(1, 31348161), (3, 10449387), (9, 3483129), (13, 2411397), (27, 1161043), (31, 1011231), (39, 803799), (43, 729027), (67, 467883), (93, 337077), (117, 267933), (129, 243009), (201, 155961), (279, 112359), (351, 89311), (387, 81003), (403, 77787), (559, 56079), (603, 51987), (837, 37453), (871, 35991), (1161, 27001), (1209, 25929), (1333, 23517), (1677, 18693), (1809, 17329), (2077, 15093), (2613, 11997), (2881, 10881), (3627, 8643), (3999, 7839), (5031, 6231)]