81909855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95801}}^1$

素因数の和:95831

約数の個数: 24

約数和(自身を含む): 149451120

約数和(自身を除く): 67541265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 95801, 287403, 479005, 862209, 1437015, 1820219, 4311045, 5460657, 9101095, 16381971, 27303285, 81909855]

約数ペア:

[(1, 81909855), (3, 27303285), (5, 16381971), (9, 9101095), (15, 5460657), (19, 4311045), (45, 1820219), (57, 1437015), (95, 862209), (171, 479005), (285, 287403), (855, 95801)]