81485481

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 144691200

約数和(自身を除く): 63205719

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 313, 343, 483, 539, 759, 939, 1029, 1127, 1617, 1771, 2191, 3381, 3443, 3773, 5313, 6573, 7199, 7889, 10329, 11319, 12397, 15337, 21597, 23667, 24101, 37191, 46011, 50393, 72303, 79189, 86779, 107359, 151179, 168707, 237567, 260337, 322077, 352751, 506121, 554323, 1058253, 1180949, 1662969, 2469257, 3542847, 3880261, 7407771, 11640783, 27161827, 81485481]

約数ペア:

[(1, 81485481), (3, 27161827), (7, 11640783), (11, 7407771), (21, 3880261), (23, 3542847), (33, 2469257), (49, 1662969), (69, 1180949), (77, 1058253), (147, 554323), (161, 506121), (231, 352751), (253, 322077), (313, 260337), (343, 237567), (483, 168707), (539, 151179), (759, 107359), (939, 86779), (1029, 79189), (1127, 72303), (1617, 50393), (1771, 46011), (2191, 37191), (3381, 24101), (3443, 23667), (3773, 21597), (5313, 15337), (6573, 12397), (7199, 11319), (7889, 10329)]