7821954

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{20693}}^1$

素因数の和:20711

約数の個数: 32

約数和(自身を含む): 19866240

約数和(自身を除く): 12044286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 20693, 41386, 62079, 124158, 144851, 186237, 289702, 372474, 434553, 558711, 869106, 1117422, 1303659, 2607318, 3910977, 7821954]

約数ペア:

[(1, 7821954), (2, 3910977), (3, 2607318), (6, 1303659), (7, 1117422), (9, 869106), (14, 558711), (18, 434553), (21, 372474), (27, 289702), (42, 186237), (54, 144851), (63, 124158), (126, 62079), (189, 41386), (378, 20693)]