1561771197

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{195197}}^1$

素因数の和:195337

約数の個数: 24

約数和(自身を含む): 2598475776

約数和(自身を除く): 1036704579

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 195197, 585591, 1366379, 1756773, 4099137, 12297411, 24790019, 74370057, 173530133, 223110171, 520590399, 1561771197]

約数ペア:

[(1, 1561771197), (3, 520590399), (7, 223110171), (9, 173530133), (21, 74370057), (63, 24790019), (127, 12297411), (381, 4099137), (889, 1756773), (1143, 1366379), (2667, 585591), (8001, 195197)]