285220383

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{1109}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 448120320

約数和(自身を除く): 162899937

約数列:

[1, 3, 7, 21, 37, 111, 259, 331, 777, 993, 1109, 2317, 3327, 6951, 7763, 12247, 23289, 36741, 41033, 85729, 123099, 257187, 287231, 367079, 861693, 1101237, 2569553, 7708659, 13581923, 40745769, 95073461, 285220383]

約数ペア:

[(1, 285220383), (3, 95073461), (7, 40745769), (21, 13581923), (37, 7708659), (111, 2569553), (259, 1101237), (331, 861693), (777, 367079), (993, 287231), (1109, 257187), (2317, 123099), (3327, 85729), (6951, 41033), (7763, 36741), (12247, 23289)]