9309905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 13132800

約数和(自身を除く): 3822895

約数列:

[1, 5, 11, 19, 55, 59, 95, 151, 209, 295, 649, 755, 1045, 1121, 1661, 2869, 3245, 5605, 8305, 8909, 12331, 14345, 31559, 44545, 61655, 97999, 157795, 169271, 489995, 846355, 1861981, 9309905]

約数ペア:

[(1, 9309905), (5, 1861981), (11, 846355), (19, 489995), (55, 169271), (59, 157795), (95, 97999), (151, 61655), (209, 44545), (295, 31559), (649, 14345), (755, 12331), (1045, 8909), (1121, 8305), (1661, 5605), (2869, 3245)]