2017698921

素因数分解:

$3^2\times 7^2\times {\mathrm{4575281}}^1$

素因数の和:4575301

約数の個数: 18

約数和(自身を含む): 3390283962

約数和(自身を除く): 1372585041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4575281, 13725843, 32026967, 41177529, 96080901, 224188769, 288242703, 672566307, 2017698921]

約数ペア:

[(1, 2017698921), (3, 672566307), (7, 288242703), (9, 224188769), (21, 96080901), (49, 41177529), (63, 32026967), (147, 13725843), (441, 4575281)]