90840141

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21521}}^1$

素因数の和:21601

約数の個数: 24

約数和(自身を含む): 152203584

約数和(自身を除く): 61363443

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 21521, 64563, 150647, 193689, 451941, 1355823, 1441907, 4325721, 10093349, 12977163, 30280047, 90840141]

約数ペア:

[(1, 90840141), (3, 30280047), (7, 12977163), (9, 10093349), (21, 4325721), (63, 1441907), (67, 1355823), (201, 451941), (469, 193689), (603, 150647), (1407, 64563), (4221, 21521)]