1275661821

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{120767}}^1$

素因数の和:121280

約数の個数: 16

約数和(自身を含む): 1947746304

約数和(自身を除く): 672084483

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 10563, 120767, 362301, 845369, 2536107, 60745801, 182237403, 425220607, 1275661821]

約数ペア:

[(1, 1275661821), (3, 425220607), (7, 182237403), (21, 60745801), (503, 2536107), (1509, 845369), (3521, 362301), (10563, 120767)]