81531681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{352951}}^1$

素因数の和:352972

約数の個数: 16

約数和(自身を含む): 135533568

約数和(自身を除く): 54001887

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 352951, 1058853, 2470657, 3882461, 7411971, 11647383, 27177227, 81531681]

約数ペア:

[(1, 81531681), (3, 27177227), (7, 11647383), (11, 7411971), (21, 3882461), (33, 2470657), (77, 1058853), (231, 352951)]