207859365

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 429466752

約数和(自身を除く): 221607387

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 157, 189, 315, 405, 467, 471, 567, 785, 945, 1099, 1401, 1413, 2335, 2355, 2835, 3269, 3297, 4203, 4239, 5495, 7005, 7065, 9807, 9891, 12609, 12717, 16345, 16485, 21015, 21195, 29421, 29673, 37827, 49035, 49455, 63045, 63585, 73319, 88263, 89019, 147105, 148365, 189135, 219957, 264789, 366595, 441315, 445095, 513233, 659871, 1099785, 1323945, 1539699, 1979613, 2566165, 3299355, 4619097, 5938839, 7698495, 9898065, 13857291, 23095485, 29694195, 41571873, 69286455, 207859365]

約数ペア:

[(1, 207859365), (3, 69286455), (5, 41571873), (7, 29694195), (9, 23095485), (15, 13857291), (21, 9898065), (27, 7698495), (35, 5938839), (45, 4619097), (63, 3299355), (81, 2566165), (105, 1979613), (135, 1539699), (157, 1323945), (189, 1099785), (315, 659871), (405, 513233), (467, 445095), (471, 441315), (567, 366595), (785, 264789), (945, 219957), (1099, 189135), (1401, 148365), (1413, 147105), (2335, 89019), (2355, 88263), (2835, 73319), (3269, 63585), (3297, 63045), (4203, 49455), (4239, 49035), (5495, 37827), (7005, 29673), (7065, 29421), (9807, 21195), (9891, 21015), (12609, 16485), (12717, 16345)]