2920515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 5334336

約数和(自身を除く): 2413821

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 881, 1105, 2643, 3315, 4405, 11453, 13215, 14977, 34359, 44931, 57265, 74885, 171795, 194701, 224655, 584103, 973505, 2920515]

約数ペア:

[(1, 2920515), (3, 973505), (5, 584103), (13, 224655), (15, 194701), (17, 171795), (39, 74885), (51, 57265), (65, 44931), (85, 34359), (195, 14977), (221, 13215), (255, 11453), (663, 4405), (881, 3315), (1105, 2643)]