1903419

素因数分解:

$3^6\times 7^1\times {\mathrm{373}}^1$

素因数の和:398

約数の個数: 28

約数和(自身を含む): 3270256

約数和(自身を除く): 1366837

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 373, 567, 729, 1119, 1701, 2611, 3357, 5103, 7833, 10071, 23499, 30213, 70497, 90639, 211491, 271917, 634473, 1903419]

約数ペア:

[(1, 1903419), (3, 634473), (7, 271917), (9, 211491), (21, 90639), (27, 70497), (63, 30213), (81, 23499), (189, 10071), (243, 7833), (373, 5103), (567, 3357), (729, 2611), (1119, 1701)]