220143903

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{117787}}^1$

素因数の和:117886

約数の個数: 16

約数和(自身を含む): 339229440

約数和(自身を除く): 119085537

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 117787, 353361, 824509, 2473527, 10483043, 31449129, 73381301, 220143903]

約数ペア:

[(1, 220143903), (3, 73381301), (7, 31449129), (21, 10483043), (89, 2473527), (267, 824509), (623, 353361), (1869, 117787)]