56912961

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 96768000

約数和(自身を除く): 39855039

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 71, 123, 133, 147, 213, 287, 343, 399, 497, 779, 861, 931, 1029, 1349, 1491, 2009, 2337, 2793, 2911, 3479, 4047, 5453, 6027, 6517, 8733, 9443, 10437, 14063, 16359, 19551, 20377, 24353, 28329, 38171, 42189, 55309, 61131, 66101, 73059, 114513, 142639, 165927, 198303, 267197, 387163, 427917, 462707, 801591, 998473, 1161489, 1388121, 2710141, 2995419, 8130423, 18970987, 56912961]

約数ペア:

[(1, 56912961), (3, 18970987), (7, 8130423), (19, 2995419), (21, 2710141), (41, 1388121), (49, 1161489), (57, 998473), (71, 801591), (123, 462707), (133, 427917), (147, 387163), (213, 267197), (287, 198303), (343, 165927), (399, 142639), (497, 114513), (779, 73059), (861, 66101), (931, 61131), (1029, 55309), (1349, 42189), (1491, 38171), (2009, 28329), (2337, 24353), (2793, 20377), (2911, 19551), (3479, 16359), (4047, 14063), (5453, 10437), (6027, 9443), (6517, 8733)]