40660641

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:830

約数の個数: 36

約数和(自身を含む): 68921892

約数和(自身を除く): 28261251

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 441, 673, 959, 1233, 2019, 2877, 4711, 6057, 6713, 8631, 14133, 20139, 32977, 42399, 60417, 92201, 98931, 276603, 296793, 645407, 829809, 1936221, 4517849, 5808663, 13553547, 40660641]

約数ペア:

[(1, 40660641), (3, 13553547), (7, 5808663), (9, 4517849), (21, 1936221), (49, 829809), (63, 645407), (137, 296793), (147, 276603), (411, 98931), (441, 92201), (673, 60417), (959, 42399), (1233, 32977), (2019, 20139), (2877, 14133), (4711, 8631), (6057, 6713)]