128398431

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{68699}}^1$

素因数の和:68798

約数の個数: 16

約数和(自身を含む): 197856000

約数和(自身を除く): 69457569

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 68699, 206097, 480893, 1442679, 6114211, 18342633, 42799477, 128398431]

約数ペア:

[(1, 128398431), (3, 42799477), (7, 18342633), (21, 6114211), (89, 1442679), (267, 480893), (623, 206097), (1869, 68699)]