87520503

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 138935296

約数和(自身を除く): 51414793

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 1543, 2701, 4629, 8103, 10801, 18907, 32403, 56721, 57091, 112639, 171273, 337917, 399637, 788473, 1198911, 2365419, 4167643, 12502929, 29173501, 87520503]

約数ペア:

[(1, 87520503), (3, 29173501), (7, 12502929), (21, 4167643), (37, 2365419), (73, 1198911), (111, 788473), (219, 399637), (259, 337917), (511, 171273), (777, 112639), (1533, 57091), (1543, 56721), (2701, 32403), (4629, 18907), (8103, 10801)]