81272751

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{48989}}^1$

素因数の和:49078

約数の個数: 16

約数和(自身を含む): 125414400

約数和(自身を除く): 44141649

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 48989, 146967, 342923, 1028769, 3870131, 11610393, 27090917, 81272751]

約数ペア:

[(1, 81272751), (3, 27090917), (7, 11610393), (21, 3870131), (79, 1028769), (237, 342923), (553, 146967), (1659, 48989)]