260054289

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{238801}}^1$

素因数の和:238829

約数の個数: 18

約数和(自身を含む): 412888658

約数和(自身を除く): 152834369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 238801, 716403, 2149209, 2626811, 7880433, 23641299, 28894921, 86684763, 260054289]

約数ペア:

[(1, 260054289), (3, 86684763), (9, 28894921), (11, 23641299), (33, 7880433), (99, 2626811), (121, 2149209), (363, 716403), (1089, 238801)]