19992930741

素因数分解:

$3^2\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{257797}}^1$

素因数の和:259041

約数の個数: 24

約数和(自身を含む): 33031142144

約数和(自身を除く): 13038211403

約数列:

[1, 3, 7, 9, 21, 63, 1231, 3693, 8617, 11079, 25851, 77553, 257797, 773391, 1804579, 2320173, 5413737, 16241211, 317348107, 952044321, 2221436749, 2856132963, 6664310247, 19992930741]

約数ペア:

[(1, 19992930741), (3, 6664310247), (7, 2856132963), (9, 2221436749), (21, 952044321), (63, 317348107), (1231, 16241211), (3693, 5413737), (8617, 2320173), (11079, 1804579), (25851, 773391), (77553, 257797)]