65675745

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 121616640

約数和(自身を除く): 55940895

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 67, 135, 137, 159, 201, 265, 335, 411, 477, 603, 685, 795, 1005, 1233, 1431, 1809, 2055, 2385, 3015, 3551, 3699, 6165, 7155, 7261, 9045, 9179, 10653, 17755, 18495, 21783, 27537, 31959, 36305, 45895, 53265, 65349, 82611, 95877, 108915, 137685, 159795, 196047, 247833, 326745, 413055, 479385, 486487, 980235, 1239165, 1459461, 2432435, 4378383, 7297305, 13135149, 21891915, 65675745]

約数ペア:

[(1, 65675745), (3, 21891915), (5, 13135149), (9, 7297305), (15, 4378383), (27, 2432435), (45, 1459461), (53, 1239165), (67, 980235), (135, 486487), (137, 479385), (159, 413055), (201, 326745), (265, 247833), (335, 196047), (411, 159795), (477, 137685), (603, 108915), (685, 95877), (795, 82611), (1005, 65349), (1233, 53265), (1431, 45895), (1809, 36305), (2055, 31959), (2385, 27537), (3015, 21783), (3551, 18495), (3699, 17755), (6165, 10653), (7155, 9179), (7261, 9045)]