289502199

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{13883}}^1$

素因数の和:14227

約数の個数: 24

約数和(自身を含む): 479386752

約数和(自身を除く): 189884553

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 13883, 20853, 41649, 97181, 124947, 291543, 874629, 4595273, 13785819, 32166911, 41357457, 96500733, 289502199]

約数ペア:

[(1, 289502199), (3, 96500733), (7, 41357457), (9, 32166911), (21, 13785819), (63, 4595273), (331, 874629), (993, 291543), (2317, 124947), (2979, 97181), (6951, 41649), (13883, 20853)]