201856221

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103357}}^1$

素因数の和:103401

約数の個数: 24

約数和(自身を含む): 343975424

約数和(自身を除く): 142119203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 103357, 310071, 723499, 930213, 2170497, 3204067, 6511491, 9612201, 22428469, 28836603, 67285407, 201856221]

約数ペア:

[(1, 201856221), (3, 67285407), (7, 28836603), (9, 22428469), (21, 9612201), (31, 6511491), (63, 3204067), (93, 2170497), (217, 930213), (279, 723499), (651, 310071), (1953, 103357)]