9904419

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 17120064

約数和(自身を除く): 7215645

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 607, 777, 1813, 1821, 2331, 4249, 5439, 5463, 12747, 16317, 22459, 29743, 38241, 67377, 89229, 157213, 202131, 267687, 471639, 1100491, 1414917, 3301473, 9904419]

約数ペア:

[(1, 9904419), (3, 3301473), (7, 1414917), (9, 1100491), (21, 471639), (37, 267687), (49, 202131), (63, 157213), (111, 89229), (147, 67377), (259, 38241), (333, 29743), (441, 22459), (607, 16317), (777, 12747), (1813, 5463), (1821, 5439), (2331, 4249)]