961821

素因数分解:

$3^3\times 7^2\times {\mathrm{727}}^1$

素因数の和:750

約数の個数: 24

約数和(自身を含む): 1659840

約数和(自身を除く): 698019

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 727, 1323, 2181, 5089, 6543, 15267, 19629, 35623, 45801, 106869, 137403, 320607, 961821]

約数ペア:

[(1, 961821), (3, 320607), (7, 137403), (9, 106869), (21, 45801), (27, 35623), (49, 19629), (63, 15267), (147, 6543), (189, 5089), (441, 2181), (727, 1323)]