207911421

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6317}}^1$

素因数の和:6402

約数の個数: 32

約数和(自身を含む): 327525120

約数和(自身を除く): 119613699

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 1219, 1431, 3657, 6317, 10971, 18951, 32913, 56853, 145291, 170559, 334801, 435873, 1004403, 1307619, 3013209, 3922857, 7700423, 9039627, 23101269, 69303807, 207911421]

約数ペア:

[(1, 207911421), (3, 69303807), (9, 23101269), (23, 9039627), (27, 7700423), (53, 3922857), (69, 3013209), (159, 1307619), (207, 1004403), (477, 435873), (621, 334801), (1219, 170559), (1431, 145291), (3657, 56853), (6317, 32913), (10971, 18951)]