87540921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{32531}}^1$

素因数の和:32573

約数の個数: 24

約数和(自身を含む): 142099776

約数和(自身を除く): 54558855

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 32531, 97593, 292779, 422903, 748213, 1268709, 2244639, 3806127, 6733917, 9726769, 29180307, 87540921]

約数ペア:

[(1, 87540921), (3, 29180307), (9, 9726769), (13, 6733917), (23, 3806127), (39, 2244639), (69, 1268709), (117, 748213), (207, 422903), (299, 292779), (897, 97593), (2691, 32531)]