81787734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20985

約数の個数: 48

約数和(自身を含む): 209064960

約数和(自身を除く): 127277226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 20939, 41878, 62817, 125634, 146573, 188451, 293146, 376902, 439719, 649109, 879438, 1298218, 1319157, 1947327, 2638314, 3894654, 4543763, 5841981, 9087526, 11683962, 13631289, 27262578, 40893867, 81787734]

約数ペア:

[(1, 81787734), (2, 40893867), (3, 27262578), (6, 13631289), (7, 11683962), (9, 9087526), (14, 5841981), (18, 4543763), (21, 3894654), (31, 2638314), (42, 1947327), (62, 1319157), (63, 1298218), (93, 879438), (126, 649109), (186, 439719), (217, 376902), (279, 293146), (434, 188451), (558, 146573), (651, 125634), (1302, 62817), (1953, 41878), (3906, 20939)]