28892871

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5255

約数の個数: 24

約数和(自身を含む): 48241440

約数和(自身を除く): 19348569

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5153, 5607, 15459, 36071, 46377, 108213, 324639, 458617, 1375851, 3210319, 4127553, 9630957, 28892871]

約数ペア:

[(1, 28892871), (3, 9630957), (7, 4127553), (9, 3210319), (21, 1375851), (63, 458617), (89, 324639), (267, 108213), (623, 46377), (801, 36071), (1869, 15459), (5153, 5607)]