26721747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 41749344

約数和(自身を除く): 15027597

約数列:

[1, 3, 9, 13, 39, 117, 353, 647, 1059, 1941, 3177, 4589, 5823, 8411, 13767, 25233, 41301, 75699, 228391, 685173, 2055519, 2969083, 8907249, 26721747]

約数ペア:

[(1, 26721747), (3, 8907249), (9, 2969083), (13, 2055519), (39, 685173), (117, 228391), (353, 75699), (647, 41301), (1059, 25233), (1941, 13767), (3177, 8411), (4589, 5823)]