28643967

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 47097960

約数和(自身を除く): 18453993

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 907, 957, 1089, 2721, 2871, 3509, 8163, 9977, 10527, 26303, 29931, 31581, 78909, 89793, 109747, 236727, 289333, 329241, 867999, 987723, 2603997, 3182663, 9547989, 28643967]

約数ペア:

[(1, 28643967), (3, 9547989), (9, 3182663), (11, 2603997), (29, 987723), (33, 867999), (87, 329241), (99, 289333), (121, 236727), (261, 109747), (319, 89793), (363, 78909), (907, 31581), (957, 29931), (1089, 26303), (2721, 10527), (2871, 9977), (3509, 8163)]