218368899

素因数分解:

$3^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2297}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 370621440

約数和(自身を除く): 152252541

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 503, 1509, 2297, 3521, 4527, 6891, 10563, 13581, 16079, 20673, 31689, 48237, 62019, 95067, 144711, 434133, 1155391, 3466173, 8087737, 10398519, 24263211, 31195557, 72789633, 218368899]

約数ペア:

[(1, 218368899), (3, 72789633), (7, 31195557), (9, 24263211), (21, 10398519), (27, 8087737), (63, 3466173), (189, 1155391), (503, 434133), (1509, 144711), (2297, 95067), (3521, 62019), (4527, 48237), (6891, 31689), (10563, 20673), (13581, 16079)]