221877171

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{47501}}^1$

素因数の和:47683

約数の個数: 16

約数和(自身を含む): 330613920

約数和(自身を除く): 108736749

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 47501, 142503, 427509, 1282527, 8217673, 24653019, 73959057, 221877171]

約数ペア:

[(1, 221877171), (3, 73959057), (9, 24653019), (27, 8217673), (173, 1282527), (519, 427509), (1557, 142503), (4671, 47501)]