217470897

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4801}}^1$

素因数の和:5533

約数の個数: 24

約数和(自身を含む): 359573760

約数和(自身を除く): 142102863

約数列:

[1, 3, 7, 9, 21, 63, 719, 2157, 4801, 5033, 6471, 14403, 15099, 33607, 43209, 45297, 100821, 302463, 3451919, 10355757, 24163433, 31067271, 72490299, 217470897]

約数ペア:

[(1, 217470897), (3, 72490299), (7, 31067271), (9, 24163433), (21, 10355757), (63, 3451919), (719, 302463), (2157, 100821), (4801, 45297), (5033, 43209), (6471, 33607), (14403, 15099)]