77780358

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{20287}}^1$

素因数の和:20369

約数の個数: 32

約数和(自身を含む): 175288320

約数和(自身を除く): 97507962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 20287, 40574, 60861, 121722, 182583, 365166, 547749, 1095498, 1440377, 2880754, 4321131, 8642262, 12963393, 25926786, 38890179, 77780358]

約数ペア:

[(1, 77780358), (2, 38890179), (3, 25926786), (6, 12963393), (9, 8642262), (18, 4321131), (27, 2880754), (54, 1440377), (71, 1095498), (142, 547749), (213, 365166), (426, 182583), (639, 121722), (1278, 60861), (1917, 40574), (3834, 20287)]