137728521

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{27673}}^1$

素因数の和:27765

約数の個数: 24

約数和(自身を含む): 230247680

約数和(自身を除く): 92519159

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 27673, 83019, 193711, 249057, 581133, 1743399, 2186167, 6558501, 15303169, 19675503, 45909507, 137728521]

約数ペア:

[(1, 137728521), (3, 45909507), (7, 19675503), (9, 15303169), (21, 6558501), (63, 2186167), (79, 1743399), (237, 581133), (553, 249057), (711, 193711), (1659, 83019), (4977, 27673)]