87721866

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{3449}}^1$

素因数の和:3620

約数の個数: 40

約数和(自身を含む): 197871300

約数和(自身を除く): 110149434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 3449, 4239, 6898, 8478, 10347, 12717, 20694, 25434, 31041, 62082, 93123, 186246, 279369, 541493, 558738, 1082986, 1624479, 3248958, 4873437, 9746874, 14620311, 29240622, 43860933, 87721866]

約数ペア:

[(1, 87721866), (2, 43860933), (3, 29240622), (6, 14620311), (9, 9746874), (18, 4873437), (27, 3248958), (54, 1624479), (81, 1082986), (157, 558738), (162, 541493), (314, 279369), (471, 186246), (942, 93123), (1413, 62082), (2826, 31041), (3449, 25434), (4239, 20694), (6898, 12717), (8478, 10347)]