621296655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{2963}}^1$

素因数の和:4975

約数の個数: 32

約数和(自身を含む): 1137037824

約数和(自身を除く): 515741169

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1997, 2963, 5991, 8889, 9985, 13979, 14815, 20741, 29955, 41937, 44445, 62223, 69895, 103705, 209685, 311115, 5917111, 17751333, 29585555, 41419777, 88756665, 124259331, 207098885, 621296655]

約数ペア:

[(1, 621296655), (3, 207098885), (5, 124259331), (7, 88756665), (15, 41419777), (21, 29585555), (35, 17751333), (105, 5917111), (1997, 311115), (2963, 209685), (5991, 103705), (8889, 69895), (9985, 62223), (13979, 44445), (14815, 41937), (20741, 29955)]