28264509

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34511}}^1$

素因数の和:34537

約数の個数: 24

約数和(自身を含む): 50249472

約数和(自身を除く): 21984963

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34511, 103533, 241577, 310599, 448643, 724731, 1345929, 2174193, 3140501, 4037787, 9421503, 28264509]

約数ペア:

[(1, 28264509), (3, 9421503), (7, 4037787), (9, 3140501), (13, 2174193), (21, 1345929), (39, 724731), (63, 448643), (91, 310599), (117, 241577), (273, 103533), (819, 34511)]