72309861

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 51069339

約数列:

[1, 3, 9, 13, 23, 27, 39, 53, 69, 117, 159, 169, 207, 299, 351, 477, 507, 621, 689, 897, 1219, 1431, 1521, 2067, 2197, 2691, 3657, 3887, 4563, 6201, 6591, 8073, 8957, 10971, 11661, 15847, 18603, 19773, 26871, 32913, 34983, 47541, 50531, 59319, 80613, 104949, 116441, 142623, 151593, 206011, 241839, 349323, 427869, 454779, 618033, 1047969, 1364337, 1854099, 2678143, 3143907, 5562297, 8034429, 24103287, 72309861]

約数ペア:

[(1, 72309861), (3, 24103287), (9, 8034429), (13, 5562297), (23, 3143907), (27, 2678143), (39, 1854099), (53, 1364337), (69, 1047969), (117, 618033), (159, 454779), (169, 427869), (207, 349323), (299, 241839), (351, 206011), (477, 151593), (507, 142623), (621, 116441), (689, 104949), (897, 80613), (1219, 59319), (1431, 50531), (1521, 47541), (2067, 34983), (2197, 32913), (2691, 26871), (3657, 19773), (3887, 18603), (4563, 15847), (6201, 11661), (6591, 10971), (8073, 8957)]