68402355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2477}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 125604864

約数和(自身を除く): 57202509

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 789, 1315, 1841, 2477, 3945, 5523, 7431, 9205, 12385, 17339, 27615, 37155, 52017, 86695, 260085, 651451, 1954353, 3257255, 4560157, 9771765, 13680471, 22800785, 68402355]

約数ペア:

[(1, 68402355), (3, 22800785), (5, 13680471), (7, 9771765), (15, 4560157), (21, 3257255), (35, 1954353), (105, 651451), (263, 260085), (789, 86695), (1315, 52017), (1841, 37155), (2477, 27615), (3945, 17339), (5523, 12385), (7431, 9205)]