211672881

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4673}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 349989120

約数和(自身を除く): 138316239

約数列:

[1, 3, 7, 9, 21, 63, 719, 2157, 4673, 5033, 6471, 14019, 15099, 32711, 42057, 45297, 98133, 294399, 3359887, 10079661, 23519209, 30238983, 70557627, 211672881]

約数ペア:

[(1, 211672881), (3, 70557627), (7, 30238983), (9, 23519209), (21, 10079661), (63, 3359887), (719, 294399), (2157, 98133), (4673, 45297), (5033, 42057), (6471, 32711), (14019, 15099)]