2728245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 4983552

約数和(自身を除く): 2255307

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 823, 1105, 2469, 3315, 4115, 10699, 12345, 13991, 32097, 41973, 53495, 69955, 160485, 181883, 209865, 545649, 909415, 2728245]

約数ペア:

[(1, 2728245), (3, 909415), (5, 545649), (13, 209865), (15, 181883), (17, 160485), (39, 69955), (51, 53495), (65, 41973), (85, 32097), (195, 13991), (221, 12345), (255, 10699), (663, 4115), (823, 3315), (1105, 2469)]