1334606721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1\times {\mathrm{2113}}^1$

素因数の和:3725

約数の個数: 32

約数和(自身を含む): 2143088640

約数和(自身を除く): 808481919

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1583, 2113, 4749, 6339, 11081, 14791, 30077, 33243, 40147, 44373, 90231, 120441, 210539, 281029, 631617, 843087, 3344879, 10034637, 23414153, 63552701, 70242459, 190658103, 444868907, 1334606721]

約数ペア:

[(1, 1334606721), (3, 444868907), (7, 190658103), (19, 70242459), (21, 63552701), (57, 23414153), (133, 10034637), (399, 3344879), (1583, 843087), (2113, 631617), (4749, 281029), (6339, 210539), (11081, 120441), (14791, 90231), (30077, 44373), (33243, 40147)]