9720521391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{566563}}^1$

素因数の和:566635

約数の個数: 32

約数和(自身を含む): 15954442240

約数和(自身を除く): 6233920849

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 17157, 566563, 1699689, 3965941, 10764697, 11897823, 24362209, 32294091, 73086627, 75352879, 170535463, 226058637, 462881971, 511606389, 1388645913, 3240173797, 9720521391]

約数ペア:

[(1, 9720521391), (3, 3240173797), (7, 1388645913), (19, 511606389), (21, 462881971), (43, 226058637), (57, 170535463), (129, 75352879), (133, 73086627), (301, 32294091), (399, 24362209), (817, 11897823), (903, 10764697), (2451, 3965941), (5719, 1699689), (17157, 566563)]