1261809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1971840

約数和(自身を除く): 710031

約数列:

[1, 3, 9, 19, 47, 57, 141, 157, 171, 423, 471, 893, 1413, 2679, 2983, 7379, 8037, 8949, 22137, 26847, 66411, 140201, 420603, 1261809]

約数ペア:

[(1, 1261809), (3, 420603), (9, 140201), (19, 66411), (47, 26847), (57, 22137), (141, 8949), (157, 8037), (171, 7379), (423, 2983), (471, 2679), (893, 1413)]