259620633

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{7993}}^1$

素因数の和:8406

約数の個数: 20

約数和(自身を含む): 388844148

約数和(自身を除く): 129223515

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 7993, 10827, 23979, 32481, 71937, 215811, 647433, 3205193, 9615579, 28846737, 86540211, 259620633]

約数ペア:

[(1, 259620633), (3, 86540211), (9, 28846737), (27, 9615579), (81, 3205193), (401, 647433), (1203, 215811), (3609, 71937), (7993, 32481), (10827, 23979)]