221011857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{117497}}^1$

素因数の和:117533

約数の個数: 24

約数和(自身を含む): 366593760

約数和(自身を除く): 145581903

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 117497, 352491, 1057473, 1292467, 2232443, 3877401, 6697329, 11632203, 20091987, 24556873, 73670619, 221011857]

約数ペア:

[(1, 221011857), (3, 73670619), (9, 24556873), (11, 20091987), (19, 11632203), (33, 6697329), (57, 3877401), (99, 2232443), (171, 1292467), (209, 1057473), (627, 352491), (1881, 117497)]