131331921345

素因数分解:

$3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{816817}}^1$

素因数の和:817231

約数の個数: 40

約数和(自身を含む): 236017927464

約数和(自身を除く): 104686006119

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 397, 405, 1191, 1985, 3573, 5955, 10719, 17865, 32157, 53595, 160785, 816817, 2450451, 4084085, 7351353, 12252255, 22054059, 36756765, 66162177, 110270295, 324276349, 330810885, 972829047, 1621381745, 2918487141, 4864145235, 8755461423, 14592435705, 26266384269, 43777307115, 131331921345]

約数ペア:

[(1, 131331921345), (3, 43777307115), (5, 26266384269), (9, 14592435705), (15, 8755461423), (27, 4864145235), (45, 2918487141), (81, 1621381745), (135, 972829047), (397, 330810885), (405, 324276349), (1191, 110270295), (1985, 66162177), (3573, 36756765), (5955, 22054059), (10719, 12252255), (17865, 7351353), (32157, 4084085), (53595, 2450451), (160785, 816817)]