216363915

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 384134400

約数和(自身を除く): 167770485

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 227, 295, 359, 531, 681, 885, 1077, 1135, 1795, 2043, 2655, 3231, 3405, 5385, 10215, 13393, 16155, 21181, 40179, 63543, 66965, 81493, 105905, 120537, 190629, 200895, 244479, 317715, 407465, 602685, 733437, 953145, 1222395, 3667185, 4808087, 14424261, 24040435, 43272783, 72121305, 216363915]

約数ペア:

[(1, 216363915), (3, 72121305), (5, 43272783), (9, 24040435), (15, 14424261), (45, 4808087), (59, 3667185), (177, 1222395), (227, 953145), (295, 733437), (359, 602685), (531, 407465), (681, 317715), (885, 244479), (1077, 200895), (1135, 190629), (1795, 120537), (2043, 105905), (2655, 81493), (3231, 66965), (3405, 63543), (5385, 40179), (10215, 21181), (13393, 16155)]