213237

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 343200

約数和(自身を除く): 129963

約数列:

[1, 3, 9, 19, 29, 43, 57, 87, 129, 171, 261, 387, 551, 817, 1247, 1653, 2451, 3741, 4959, 7353, 11223, 23693, 71079, 213237]

約数ペア:

[(1, 213237), (3, 71079), (9, 23693), (19, 11223), (29, 7353), (43, 4959), (57, 3741), (87, 2451), (129, 1653), (171, 1247), (261, 817), (387, 551)]