2105339985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 4415938560

約数和(自身を除く): 2310598575

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 197, 215, 263, 301, 315, 387, 591, 645, 789, 903, 945, 985, 1161, 1315, 1379, 1505, 1773, 1841, 1935, 2367, 2709, 2955, 3945, 4137, 4515, 5319, 5523, 5805, 6895, 7101, 8127, 8471, 8865, 9205, 11309, 11835, 12411, 13545, 16569, 20685, 25413, 26595, 27615, 33927, 35505, 37233, 40635, 42355, 49707, 51811, 56545, 59297, 62055, 76239, 79163, 82845, 101781, 127065, 155433, 169635, 177891, 186165, 228717, 237489, 248535, 259055, 296485, 305343, 362677, 381195, 395815, 466299, 508905, 533673, 712467, 777165, 889455, 1088031, 1143585, 1187445, 1398897, 1526715, 1601019, 1813385, 2137401, 2227873, 2331495, 2668365, 3264093, 3562335, 5440155, 6683619, 6994485, 8005095, 9792279, 10687005, 11139365, 15595111, 16320465, 20050857, 33418095, 46785333, 48961395, 60152571, 77975555, 100254285, 140355999, 233926665, 300762855, 421067997, 701779995, 2105339985]

約数ペア:

[(1, 2105339985), (3, 701779995), (5, 421067997), (7, 300762855), (9, 233926665), (15, 140355999), (21, 100254285), (27, 77975555), (35, 60152571), (43, 48961395), (45, 46785333), (63, 33418095), (105, 20050857), (129, 16320465), (135, 15595111), (189, 11139365), (197, 10687005), (215, 9792279), (263, 8005095), (301, 6994485), (315, 6683619), (387, 5440155), (591, 3562335), (645, 3264093), (789, 2668365), (903, 2331495), (945, 2227873), (985, 2137401), (1161, 1813385), (1315, 1601019), (1379, 1526715), (1505, 1398897), (1773, 1187445), (1841, 1143585), (1935, 1088031), (2367, 889455), (2709, 777165), (2955, 712467), (3945, 533673), (4137, 508905), (4515, 466299), (5319, 395815), (5523, 381195), (5805, 362677), (6895, 305343), (7101, 296485), (8127, 259055), (8471, 248535), (8865, 237489), (9205, 228717), (11309, 186165), (11835, 177891), (12411, 169635), (13545, 155433), (16569, 127065), (20685, 101781), (25413, 82845), (26595, 79163), (27615, 76239), (33927, 62055), (35505, 59297), (37233, 56545), (40635, 51811), (42355, 49707)]