28731807

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3604

約数の個数: 32

約数和(自身を含む): 47846400

約数和(自身を除く): 19114593

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3559, 8073, 10677, 32031, 46267, 81857, 96093, 138801, 245571, 416403, 736713, 1064141, 1249209, 2210139, 3192423, 9577269, 28731807]

約数ペア:

[(1, 28731807), (3, 9577269), (9, 3192423), (13, 2210139), (23, 1249209), (27, 1064141), (39, 736713), (69, 416403), (117, 245571), (207, 138801), (299, 96093), (351, 81857), (621, 46267), (897, 32031), (2691, 10677), (3559, 8073)]