2181220965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{911}}^1$

素因数の和:1631

約数の個数: 96

約数和(自身を含む): 4725706752

約数和(自身を除く): 2544485787

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 691, 693, 911, 1155, 2073, 2733, 3455, 3465, 4555, 4837, 6219, 6377, 7601, 8199, 10021, 10365, 13665, 14511, 19131, 22803, 24185, 30063, 31095, 31885, 38005, 40995, 43533, 50105, 53207, 57393, 68409, 70147, 72555, 90189, 95655, 114015, 150315, 159621, 210441, 217665, 266035, 286965, 342045, 350735, 450945, 478863, 629501, 631323, 798105, 1052205, 1888503, 2394315, 3147505, 3156615, 4406507, 5665509, 6924511, 9442515, 13219521, 20773533, 22032535, 28327545, 34622555, 39658563, 48471577, 62320599, 66097605, 103867665, 145414731, 198292815, 242357885, 311602995, 436244193, 727073655, 2181220965]

約数ペア:

[(1, 2181220965), (3, 727073655), (5, 436244193), (7, 311602995), (9, 242357885), (11, 198292815), (15, 145414731), (21, 103867665), (33, 66097605), (35, 62320599), (45, 48471577), (55, 39658563), (63, 34622555), (77, 28327545), (99, 22032535), (105, 20773533), (165, 13219521), (231, 9442515), (315, 6924511), (385, 5665509), (495, 4406507), (691, 3156615), (693, 3147505), (911, 2394315), (1155, 1888503), (2073, 1052205), (2733, 798105), (3455, 631323), (3465, 629501), (4555, 478863), (4837, 450945), (6219, 350735), (6377, 342045), (7601, 286965), (8199, 266035), (10021, 217665), (10365, 210441), (13665, 159621), (14511, 150315), (19131, 114015), (22803, 95655), (24185, 90189), (30063, 72555), (31095, 70147), (31885, 68409), (38005, 57393), (40995, 53207), (43533, 50105)]