205269075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 404076816

約数和(自身を除く): 198807741

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 197, 225, 275, 421, 495, 591, 825, 985, 1263, 1773, 2105, 2167, 2475, 2955, 3789, 4631, 4925, 6315, 6501, 8865, 10525, 10835, 13893, 14775, 18945, 19503, 23155, 31575, 32505, 41679, 44325, 54175, 69465, 82937, 94725, 97515, 115775, 162525, 208395, 248811, 347325, 414685, 487575, 746433, 912307, 1041975, 1244055, 2073425, 2736921, 3732165, 4561535, 6220275, 8210763, 13684605, 18660825, 22807675, 41053815, 68423025, 205269075]

約数ペア:

[(1, 205269075), (3, 68423025), (5, 41053815), (9, 22807675), (11, 18660825), (15, 13684605), (25, 8210763), (33, 6220275), (45, 4561535), (55, 3732165), (75, 2736921), (99, 2073425), (165, 1244055), (197, 1041975), (225, 912307), (275, 746433), (421, 487575), (495, 414685), (591, 347325), (825, 248811), (985, 208395), (1263, 162525), (1773, 115775), (2105, 97515), (2167, 94725), (2475, 82937), (2955, 69465), (3789, 54175), (4631, 44325), (4925, 41679), (6315, 32505), (6501, 31575), (8865, 23155), (10525, 19503), (10835, 18945), (13893, 14775)]