2720229831

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 4482662400

約数和(自身を除く): 1762432569

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 191, 237, 297, 573, 607, 711, 869, 1719, 1821, 2101, 2133, 2607, 5157, 5463, 6303, 6677, 7821, 15089, 16389, 18909, 20031, 23463, 45267, 47953, 56727, 60093, 115937, 135801, 143859, 165979, 180279, 347811, 407403, 431577, 497937, 527483, 1043433, 1275307, 1294731, 1493811, 1582449, 3130299, 3825921, 4481433, 4747347, 9159023, 11477763, 14242041, 27477069, 34433289, 82431207, 100749253, 247293621, 302247759, 906743277, 2720229831]

約数ペア:

[(1, 2720229831), (3, 906743277), (9, 302247759), (11, 247293621), (27, 100749253), (33, 82431207), (79, 34433289), (99, 27477069), (191, 14242041), (237, 11477763), (297, 9159023), (573, 4747347), (607, 4481433), (711, 3825921), (869, 3130299), (1719, 1582449), (1821, 1493811), (2101, 1294731), (2133, 1275307), (2607, 1043433), (5157, 527483), (5463, 497937), (6303, 431577), (6677, 407403), (7821, 347811), (15089, 180279), (16389, 165979), (18909, 143859), (20031, 135801), (23463, 115937), (45267, 60093), (47953, 56727)]