215052963

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{51683}}^1$

素因数の和:51778

約数の個数: 16

約数和(自身を含む): 305969280

約数和(自身を除く): 90916317

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 51683, 155049, 981977, 2945931, 3772859, 11318577, 71684321, 215052963]

約数ペア:

[(1, 215052963), (3, 71684321), (19, 11318577), (57, 3772859), (73, 2945931), (219, 981977), (1387, 155049), (4161, 51683)]