75724551

素因数分解:

$3^4\times 7^2\times {\mathrm{19079}}^1$

素因数の和:19105

約数の個数: 30

約数和(自身を含む): 131594760

約数和(自身を除く): 55870209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 19079, 57237, 133553, 171711, 400659, 515133, 934871, 1201977, 1545399, 2804613, 3605931, 8413839, 10817793, 25241517, 75724551]

約数ペア:

[(1, 75724551), (3, 25241517), (7, 10817793), (9, 8413839), (21, 3605931), (27, 2804613), (49, 1545399), (63, 1201977), (81, 934871), (147, 515133), (189, 400659), (441, 171711), (567, 133553), (1323, 57237), (3969, 19079)]