27720549

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{11801}}^1$

素因数の和:11842

約数の個数: 20

約数和(自身を含む): 42841260

約数和(自身を除く): 15120711

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 11801, 35403, 106209, 318627, 342229, 955881, 1026687, 3080061, 9240183, 27720549]

約数ペア:

[(1, 27720549), (3, 9240183), (9, 3080061), (27, 1026687), (29, 955881), (81, 342229), (87, 318627), (261, 106209), (783, 35403), (2349, 11801)]