2271781113

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{21649}}^1$

素因数の和:21941

約数の個数: 32

約数和(自身を含む): 3657984000

約数和(自身を除く): 1386202887

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 789, 1841, 4997, 5523, 14991, 21649, 34979, 64947, 104937, 151543, 411331, 454629, 1233993, 2879317, 5693687, 8637951, 17081061, 39855809, 108180053, 119567427, 324540159, 757260371, 2271781113]

約数ペア:

[(1, 2271781113), (3, 757260371), (7, 324540159), (19, 119567427), (21, 108180053), (57, 39855809), (133, 17081061), (263, 8637951), (399, 5693687), (789, 2879317), (1841, 1233993), (4997, 454629), (5523, 411331), (14991, 151543), (21649, 104937), (34979, 64947)]