221609655

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16253}}^1$

素因数の和:16368

約数の個数: 32

約数和(自身を含む): 397897920

約数和(自身を除く): 176288265

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 2727, 4545, 13635, 16253, 48759, 81265, 146277, 243795, 438831, 731385, 1641553, 2194155, 4924659, 8207765, 14773977, 24623295, 44321931, 73869885, 221609655]

約数ペア:

[(1, 221609655), (3, 73869885), (5, 44321931), (9, 24623295), (15, 14773977), (27, 8207765), (45, 4924659), (101, 2194155), (135, 1641553), (303, 731385), (505, 438831), (909, 243795), (1515, 146277), (2727, 81265), (4545, 48759), (13635, 16253)]