1905999741

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{10271}}^1$

素因数の和:10391

約数の個数: 40

約数和(自身を含む): 2982988800

約数和(自身を除く): 1076989059

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 237, 261, 711, 783, 2133, 2291, 2349, 6399, 6873, 10271, 20619, 30813, 61857, 92439, 185571, 277317, 297859, 811409, 831951, 893577, 2434227, 2680731, 7302681, 8042193, 21908043, 23530861, 24126579, 65724129, 70592583, 211777749, 635333247, 1905999741]

約数ペア:

[(1, 1905999741), (3, 635333247), (9, 211777749), (27, 70592583), (29, 65724129), (79, 24126579), (81, 23530861), (87, 21908043), (237, 8042193), (261, 7302681), (711, 2680731), (783, 2434227), (2133, 893577), (2291, 831951), (2349, 811409), (6399, 297859), (6873, 277317), (10271, 185571), (20619, 92439), (30813, 61857)]