218207619

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{38917}}^1$

素因数の和:39019

約数の個数: 24

約数和(自身を含む): 364272480

約数和(自身を除く): 146064861

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 38917, 116751, 272419, 350253, 817257, 2451771, 3463613, 10390839, 24245291, 31172517, 72735873, 218207619]

約数ペア:

[(1, 218207619), (3, 72735873), (7, 31172517), (9, 24245291), (21, 10390839), (63, 3463613), (89, 2451771), (267, 817257), (623, 350253), (801, 272419), (1869, 116751), (5607, 38917)]