16866981

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 26392320

約数和(自身を除く): 9525339

約数列:

[1, 3, 9, 23, 27, 69, 157, 173, 207, 471, 519, 621, 1413, 1557, 3611, 3979, 4239, 4671, 10833, 11937, 27161, 32499, 35811, 81483, 97497, 107433, 244449, 624703, 733347, 1874109, 5622327, 16866981]

約数ペア:

[(1, 16866981), (3, 5622327), (9, 1874109), (23, 733347), (27, 624703), (69, 244449), (157, 107433), (173, 97497), (207, 81483), (471, 35811), (519, 32499), (621, 27161), (1413, 11937), (1557, 10833), (3611, 4671), (3979, 4239)]