16824591

素因数分解:

$3^7\times 7^2\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 29539680

約数和(自身を除く): 12715089

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 157, 189, 243, 441, 471, 567, 729, 1099, 1323, 1413, 1701, 2187, 3297, 3969, 4239, 5103, 7693, 9891, 11907, 12717, 15309, 23079, 29673, 35721, 38151, 69237, 89019, 107163, 114453, 207711, 267057, 343359, 623133, 801171, 1869399, 2403513, 5608197, 16824591]

約数ペア:

[(1, 16824591), (3, 5608197), (7, 2403513), (9, 1869399), (21, 801171), (27, 623133), (49, 343359), (63, 267057), (81, 207711), (147, 114453), (157, 107163), (189, 89019), (243, 69237), (441, 38151), (471, 35721), (567, 29673), (729, 23079), (1099, 15309), (1323, 12717), (1413, 11907), (1701, 9891), (2187, 7693), (3297, 5103), (3969, 4239)]