231217821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{150239}}^1$

素因数の和:150270

約数の個数: 20

約数和(自身を含む): 363580800

約数和(自身を除く): 132362979

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 150239, 450717, 1352151, 2854541, 4056453, 8563623, 12169359, 25690869, 77072607, 231217821]

約数ペア:

[(1, 231217821), (3, 77072607), (9, 25690869), (19, 12169359), (27, 8563623), (57, 4056453), (81, 2854541), (171, 1352151), (513, 450717), (1539, 150239)]