1999372911

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 2813460480

約数和(自身を除く): 814087569

約数列:

[1, 3, 23, 69, 191, 211, 573, 633, 719, 2157, 4393, 4853, 13179, 14559, 16537, 40301, 49611, 120903, 137329, 151709, 411987, 455127, 926923, 2780769, 3158567, 3489307, 9475701, 10467921, 28976419, 86929257, 666457637, 1999372911]

約数ペア:

[(1, 1999372911), (3, 666457637), (23, 86929257), (69, 28976419), (191, 10467921), (211, 9475701), (573, 3489307), (633, 3158567), (719, 2780769), (2157, 926923), (4393, 455127), (4853, 411987), (13179, 151709), (14559, 137329), (16537, 120903), (40301, 49611)]