8047221

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 13444704

約数和(自身を除く): 5397483

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 4211, 12633, 29477, 54743, 88431, 164229, 206339, 383201, 619017, 1149603, 2682407, 8047221]

約数ペア:

[(1, 8047221), (3, 2682407), (7, 1149603), (13, 619017), (21, 383201), (39, 206339), (49, 164229), (91, 88431), (147, 54743), (273, 29477), (637, 12633), (1911, 4211)]