31921371

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{683}}^1$

素因数の和:1272

約数の個数: 20

約数和(自身を含む): 47837592

約数和(自身を除く): 15916221

約数列:

[1, 3, 9, 27, 81, 577, 683, 1731, 2049, 5193, 6147, 15579, 18441, 46737, 55323, 394091, 1182273, 3546819, 10640457, 31921371]

約数ペア:

[(1, 31921371), (3, 10640457), (9, 3546819), (27, 1182273), (81, 394091), (577, 55323), (683, 46737), (1731, 18441), (2049, 15579), (5193, 6147)]