205730889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 361944576

約数和(自身を除く): 156213687

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 97, 119, 221, 273, 291, 357, 457, 663, 679, 1261, 1371, 1547, 1649, 2037, 3199, 3783, 4641, 4947, 5941, 7769, 8827, 9597, 11543, 17823, 21437, 23307, 26481, 34629, 41587, 44329, 54383, 64311, 100997, 124761, 132987, 150059, 163149, 302991, 310303, 450177, 576277, 706979, 753593, 930909, 1728831, 2120937, 2260779, 4033939, 5275151, 9796709, 12101817, 15825453, 29390127, 68576963, 205730889]

約数ペア:

[(1, 205730889), (3, 68576963), (7, 29390127), (13, 15825453), (17, 12101817), (21, 9796709), (39, 5275151), (51, 4033939), (91, 2260779), (97, 2120937), (119, 1728831), (221, 930909), (273, 753593), (291, 706979), (357, 576277), (457, 450177), (663, 310303), (679, 302991), (1261, 163149), (1371, 150059), (1547, 132987), (1649, 124761), (2037, 100997), (3199, 64311), (3783, 54383), (4641, 44329), (4947, 41587), (5941, 34629), (7769, 26481), (8827, 23307), (9597, 21437), (11543, 17823)]