3881985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 6687360

約数和(自身を除く): 2805375

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 257, 265, 285, 771, 795, 1007, 1285, 3021, 3855, 4883, 5035, 13621, 14649, 15105, 24415, 40863, 68105, 73245, 204315, 258799, 776397, 1293995, 3881985]

約数ペア:

[(1, 3881985), (3, 1293995), (5, 776397), (15, 258799), (19, 204315), (53, 73245), (57, 68105), (95, 40863), (159, 24415), (257, 15105), (265, 14649), (285, 13621), (771, 5035), (795, 4883), (1007, 3855), (1285, 3021)]