7802991

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 12964224

約数和(自身を除く): 5161233

約数列:

[1, 3, 7, 9, 21, 63, 211, 587, 633, 1477, 1761, 1899, 4109, 4431, 5283, 12327, 13293, 36981, 123857, 371571, 866999, 1114713, 2600997, 7802991]

約数ペア:

[(1, 7802991), (3, 2600997), (7, 1114713), (9, 866999), (21, 371571), (63, 123857), (211, 36981), (587, 13293), (633, 12327), (1477, 5283), (1761, 4431), (1899, 4109)]