31928391

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 53944800

約数和(自身を除く): 22016409

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 121, 261, 297, 319, 337, 363, 783, 957, 1011, 1089, 2871, 3033, 3267, 3509, 3707, 8613, 9099, 9773, 10527, 11121, 29319, 31581, 33363, 40777, 87957, 94743, 100089, 107503, 122331, 263871, 322509, 366993, 967527, 1100979, 1182533, 2902581, 3547599, 10642797, 31928391]

約数ペア:

[(1, 31928391), (3, 10642797), (9, 3547599), (11, 2902581), (27, 1182533), (29, 1100979), (33, 967527), (87, 366993), (99, 322509), (121, 263871), (261, 122331), (297, 107503), (319, 100089), (337, 94743), (363, 87957), (783, 40777), (957, 33363), (1011, 31581), (1089, 29319), (2871, 11121), (3033, 10527), (3267, 9773), (3509, 9099), (3707, 8613)]