20211417

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4327}}^1$

素因数の和:4509

約数の個数: 16

約数和(自身を含む): 30122880

約数和(自身を除く): 9911463

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4327, 4671, 12981, 38943, 116829, 748571, 2245713, 6737139, 20211417]

約数ペア:

[(1, 20211417), (3, 6737139), (9, 2245713), (27, 748571), (173, 116829), (519, 38943), (1557, 12981), (4327, 4671)]