71448531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 127303680

約数和(自身を除く): 55855149

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 73, 77, 133, 209, 219, 223, 231, 399, 511, 627, 669, 803, 1387, 1463, 1533, 1561, 2409, 2453, 4161, 4237, 4389, 4683, 5621, 7359, 9709, 12711, 15257, 16279, 16863, 17171, 29127, 29659, 45771, 46607, 48837, 51513, 88977, 106799, 113953, 139821, 179069, 309301, 320397, 326249, 341859, 537207, 927903, 978747, 1253483, 2165107, 3402311, 3760449, 6495321, 10206933, 23816177, 71448531]

約数ペア:

[(1, 71448531), (3, 23816177), (7, 10206933), (11, 6495321), (19, 3760449), (21, 3402311), (33, 2165107), (57, 1253483), (73, 978747), (77, 927903), (133, 537207), (209, 341859), (219, 326249), (223, 320397), (231, 309301), (399, 179069), (511, 139821), (627, 113953), (669, 106799), (803, 88977), (1387, 51513), (1463, 48837), (1533, 46607), (1561, 45771), (2409, 29659), (2453, 29127), (4161, 17171), (4237, 16863), (4389, 16279), (4683, 15257), (5621, 12711), (7359, 9709)]