275290431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 403200000

約数和(自身を除く): 127909569

約数列:

[1, 3, 13, 39, 79, 199, 237, 449, 597, 1027, 1347, 2587, 3081, 5837, 7761, 15721, 17511, 35471, 47163, 89351, 106413, 204373, 268053, 461123, 613119, 1161563, 1383369, 3484689, 7058729, 21176187, 91763477, 275290431]

約数ペア:

[(1, 275290431), (3, 91763477), (13, 21176187), (39, 7058729), (79, 3484689), (199, 1383369), (237, 1161563), (449, 613119), (597, 461123), (1027, 268053), (1347, 204373), (2587, 106413), (3081, 89351), (5837, 47163), (7761, 35471), (15721, 17511)]