221542251

素因数分解:

$3^1\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{5347}}^1$

素因数の和:7330

約数の個数: 16

約数和(自身を含む): 337822464

約数和(自身を除く): 116280213

約数列:

[1, 3, 7, 21, 1973, 5347, 5919, 13811, 16041, 37429, 41433, 112287, 10549631, 31648893, 73847417, 221542251]

約数ペア:

[(1, 221542251), (3, 73847417), (7, 31648893), (21, 10549631), (1973, 112287), (5347, 41433), (5919, 37429), (13811, 16041)]