2180657619

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 3819340800

約数和(自身を除く): 1638683181

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 89, 189, 237, 267, 547, 553, 567, 623, 711, 801, 1641, 1659, 1869, 2133, 2403, 3829, 4923, 4977, 5607, 6399, 7031, 7209, 11487, 14769, 14931, 16821, 21093, 34461, 43213, 44307, 44793, 48683, 49217, 50463, 63279, 103383, 129639, 146049, 147651, 189837, 302491, 310149, 340781, 388917, 438147, 442953, 569511, 907473, 1022343, 1166751, 1314441, 1328859, 2722419, 3067029, 3500253, 3845957, 3943323, 3986577, 8167257, 9201087, 11537871, 24501771, 26921699, 27603261, 34613613, 80765097, 103840839, 242295291, 311522517, 726885873, 2180657619]

約数ペア:

[(1, 2180657619), (3, 726885873), (7, 311522517), (9, 242295291), (21, 103840839), (27, 80765097), (63, 34613613), (79, 27603261), (81, 26921699), (89, 24501771), (189, 11537871), (237, 9201087), (267, 8167257), (547, 3986577), (553, 3943323), (567, 3845957), (623, 3500253), (711, 3067029), (801, 2722419), (1641, 1328859), (1659, 1314441), (1869, 1166751), (2133, 1022343), (2403, 907473), (3829, 569511), (4923, 442953), (4977, 438147), (5607, 388917), (6399, 340781), (7031, 310149), (7209, 302491), (11487, 189837), (14769, 147651), (14931, 146049), (16821, 129639), (21093, 103383), (34461, 63279), (43213, 50463), (44307, 49217), (44793, 48683)]