23891553

素因数分解:

$3^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{631}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 39568256

約数和(自身を除く): 15676703

約数列:

[1, 3, 7, 9, 21, 63, 601, 631, 1803, 1893, 4207, 4417, 5409, 5679, 12621, 13251, 37863, 39753, 379231, 1137693, 2654617, 3413079, 7963851, 23891553]

約数ペア:

[(1, 23891553), (3, 7963851), (7, 3413079), (9, 2654617), (21, 1137693), (63, 379231), (601, 39753), (631, 37863), (1803, 13251), (1893, 12621), (4207, 5679), (4417, 5409)]