71212449

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 124121088

約数和(自身を除く): 52908639

約数列:

[1, 3, 7, 11, 21, 33, 41, 73, 77, 103, 123, 219, 231, 287, 309, 451, 511, 721, 803, 861, 1133, 1353, 1533, 2163, 2409, 2993, 3157, 3399, 4223, 5621, 7519, 7931, 8979, 9471, 12669, 16863, 20951, 22557, 23793, 29561, 32923, 46453, 52633, 62853, 82709, 88683, 98769, 139359, 157899, 230461, 248127, 308279, 325171, 578963, 691383, 924837, 975513, 1736889, 2157953, 3391069, 6473859, 10173207, 23737483, 71212449]

約数ペア:

[(1, 71212449), (3, 23737483), (7, 10173207), (11, 6473859), (21, 3391069), (33, 2157953), (41, 1736889), (73, 975513), (77, 924837), (103, 691383), (123, 578963), (219, 325171), (231, 308279), (287, 248127), (309, 230461), (451, 157899), (511, 139359), (721, 98769), (803, 88683), (861, 82709), (1133, 62853), (1353, 52633), (1533, 46453), (2163, 32923), (2409, 29561), (2993, 23793), (3157, 22557), (3399, 20951), (4223, 16863), (5621, 12669), (7519, 9471), (7931, 8979)]