31477869

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 17631891

約数列:

[1, 3, 9, 23, 27, 69, 173, 207, 293, 519, 621, 879, 1557, 2637, 3979, 4671, 6739, 7911, 11937, 20217, 35811, 50689, 60651, 107433, 152067, 181953, 456201, 1165847, 1368603, 3497541, 10492623, 31477869]

約数ペア:

[(1, 31477869), (3, 10492623), (9, 3497541), (23, 1368603), (27, 1165847), (69, 456201), (173, 181953), (207, 152067), (293, 107433), (519, 60651), (621, 50689), (879, 35811), (1557, 20217), (2637, 11937), (3979, 7911), (4671, 6739)]