777006321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{40087}}^1$

素因数の和:40181

約数の個数: 32

約数和(自身を含む): 1293078528

約数和(自身を除く): 516072207

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 19383, 40087, 120261, 280609, 521131, 841827, 1563393, 2846177, 3647917, 8538531, 10943751, 19923239, 37000301, 59769717, 111000903, 259002107, 777006321]

約数ペア:

[(1, 777006321), (3, 259002107), (7, 111000903), (13, 59769717), (21, 37000301), (39, 19923239), (71, 10943751), (91, 8538531), (213, 3647917), (273, 2846177), (497, 1563393), (923, 841827), (1491, 521131), (2769, 280609), (6461, 120261), (19383, 40087)]