1997893443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{6599}}^1$

素因数の和:7731

約数の個数: 32

約数和(自身を含む): 3282048000

約数和(自身を除く): 1284154557

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1109, 3327, 6599, 7763, 14417, 19797, 23289, 43251, 46193, 85787, 100919, 138579, 257361, 302757, 600509, 1801527, 7318291, 21954873, 51228037, 95137783, 153684111, 285413349, 665964481, 1997893443]

約数ペア:

[(1, 1997893443), (3, 665964481), (7, 285413349), (13, 153684111), (21, 95137783), (39, 51228037), (91, 21954873), (273, 7318291), (1109, 1801527), (3327, 600509), (6599, 302757), (7763, 257361), (14417, 138579), (19797, 100919), (23289, 85787), (43251, 46193)]