1861623

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 2865408

約数和(自身を除く): 1003785

約数列:

[1, 3, 9, 27, 47, 81, 141, 163, 243, 423, 489, 1269, 1467, 3807, 4401, 7661, 11421, 13203, 22983, 39609, 68949, 206847, 620541, 1861623]

約数ペア:

[(1, 1861623), (3, 620541), (9, 206847), (27, 68949), (47, 39609), (81, 22983), (141, 13203), (163, 11421), (243, 7661), (423, 4401), (489, 3807), (1269, 1467)]