203913105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 369819648

約数和(自身を除く): 165906543

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 127, 165, 185, 263, 381, 407, 555, 635, 789, 1221, 1315, 1397, 1905, 2035, 2893, 3945, 4191, 4699, 6105, 6985, 8679, 9731, 14097, 14465, 20955, 23495, 29193, 33401, 43395, 48655, 51689, 70485, 100203, 107041, 145965, 155067, 167005, 258445, 321123, 367411, 501015, 535205, 775335, 1102233, 1235837, 1605615, 1837055, 3707511, 5511165, 6179185, 13594207, 18537555, 40782621, 67971035, 203913105]

約数ペア:

[(1, 203913105), (3, 67971035), (5, 40782621), (11, 18537555), (15, 13594207), (33, 6179185), (37, 5511165), (55, 3707511), (111, 1837055), (127, 1605615), (165, 1235837), (185, 1102233), (263, 775335), (381, 535205), (407, 501015), (555, 367411), (635, 321123), (789, 258445), (1221, 167005), (1315, 155067), (1397, 145965), (1905, 107041), (2035, 100203), (2893, 70485), (3945, 51689), (4191, 48655), (4699, 43395), (6105, 33401), (6985, 29193), (8679, 23495), (9731, 20955), (14097, 14465)]