1738541217

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{90281}}^1$

素因数の和:90429

約数の個数: 24

約数和(自身を含む): 2717127072

約数和(自身を除く): 978585855

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 6419, 19257, 90281, 270843, 631967, 1895901, 4423769, 11826811, 13271307, 35480433, 82787677, 248363031, 579513739, 1738541217]

約数ペア:

[(1, 1738541217), (3, 579513739), (7, 248363031), (21, 82787677), (49, 35480433), (131, 13271307), (147, 11826811), (393, 4423769), (917, 1895901), (2751, 631967), (6419, 270843), (19257, 90281)]