201221241

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 297443328

約数和(自身を除く): 96222087

約数列:

[1, 3, 13, 39, 47, 141, 151, 453, 611, 727, 1833, 1963, 2181, 5889, 7097, 9451, 21291, 28353, 34169, 92261, 102507, 109777, 276783, 329331, 444197, 1332591, 1427101, 4281303, 5159519, 15478557, 67073747, 201221241]

約数ペア:

[(1, 201221241), (3, 67073747), (13, 15478557), (39, 5159519), (47, 4281303), (141, 1427101), (151, 1332591), (453, 444197), (611, 329331), (727, 276783), (1833, 109777), (1963, 102507), (2181, 92261), (5889, 34169), (7097, 28353), (9451, 21291)]