64240587

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 106168320

約数和(自身を除く): 41927733

約数列:

[1, 3, 9, 23, 27, 31, 47, 69, 71, 93, 141, 207, 213, 279, 423, 621, 639, 713, 837, 1081, 1269, 1457, 1633, 1917, 2139, 2201, 3243, 3337, 4371, 4899, 6417, 6603, 9729, 10011, 13113, 14697, 19251, 19809, 29187, 30033, 33511, 39339, 44091, 50623, 59427, 76751, 90099, 100533, 103447, 151869, 230253, 301599, 310341, 455607, 690759, 904797, 931023, 1366821, 2072277, 2379281, 2793069, 7137843, 21413529, 64240587]

約数ペア:

[(1, 64240587), (3, 21413529), (9, 7137843), (23, 2793069), (27, 2379281), (31, 2072277), (47, 1366821), (69, 931023), (71, 904797), (93, 690759), (141, 455607), (207, 310341), (213, 301599), (279, 230253), (423, 151869), (621, 103447), (639, 100533), (713, 90099), (837, 76751), (1081, 59427), (1269, 50623), (1457, 44091), (1633, 39339), (1917, 33511), (2139, 30033), (2201, 29187), (3243, 19809), (3337, 19251), (4371, 14697), (4899, 13113), (6417, 10011), (6603, 9729)]