2721445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 3503088

約数和(自身を除く): 781643

約数列:

[1, 5, 17, 85, 101, 317, 505, 1585, 1717, 5389, 8585, 26945, 32017, 160085, 544289, 2721445]

約数ペア:

[(1, 2721445), (5, 544289), (17, 160085), (85, 32017), (101, 26945), (317, 8585), (505, 5389), (1585, 1717)]