157040289

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2689}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 270807680

約数和(自身を除く): 113767391

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 2163, 2689, 2781, 6489, 8067, 8343, 18823, 19467, 24201, 56469, 58401, 72603, 169407, 217809, 276967, 508221, 830901, 1524663, 1938769, 2492703, 5816307, 7478109, 17448921, 22434327, 52346763, 157040289]

約数ペア:

[(1, 157040289), (3, 52346763), (7, 22434327), (9, 17448921), (21, 7478109), (27, 5816307), (63, 2492703), (81, 1938769), (103, 1524663), (189, 830901), (309, 508221), (567, 276967), (721, 217809), (927, 169407), (2163, 72603), (2689, 58401), (2781, 56469), (6489, 24201), (8067, 19467), (8343, 18823)]