2187747

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1219293

約数列:

[1, 3, 9, 17, 51, 79, 153, 181, 237, 543, 711, 1343, 1629, 3077, 4029, 9231, 12087, 14299, 27693, 42897, 128691, 243083, 729249, 2187747]

約数ペア:

[(1, 2187747), (3, 729249), (9, 243083), (17, 128691), (51, 42897), (79, 27693), (153, 14299), (181, 12087), (237, 9231), (543, 4029), (711, 3077), (1343, 1629)]