28439121

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 12479919

約数列:

[1, 3, 31, 59, 71, 73, 93, 177, 213, 219, 1829, 2201, 2263, 4189, 4307, 5183, 5487, 6603, 6789, 12567, 12921, 15549, 129859, 133517, 160673, 305797, 389577, 400551, 482019, 917391, 9479707, 28439121]

約数ペア:

[(1, 28439121), (3, 9479707), (31, 917391), (59, 482019), (71, 400551), (73, 389577), (93, 305797), (177, 160673), (213, 133517), (219, 129859), (1829, 15549), (2201, 12921), (2263, 12567), (4189, 6789), (4307, 6603), (5183, 5487)]