78991497

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 126604800

約数和(自身を除く): 47613303

約数列:

[1, 3, 9, 13, 27, 39, 117, 313, 351, 719, 939, 2157, 2817, 4069, 6471, 8451, 9347, 12207, 19413, 28041, 36621, 84123, 109863, 225047, 252369, 675141, 2025423, 2925611, 6076269, 8776833, 26330499, 78991497]

約数ペア:

[(1, 78991497), (3, 26330499), (9, 8776833), (13, 6076269), (27, 2925611), (39, 2025423), (117, 675141), (313, 252369), (351, 225047), (719, 109863), (939, 84123), (2157, 36621), (2817, 28041), (4069, 19413), (6471, 12207), (8451, 9347)]