78051987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 49083021

約数列:

[1, 3, 9, 13, 39, 41, 53, 117, 123, 159, 307, 369, 477, 533, 689, 921, 1599, 2067, 2173, 2763, 3991, 4797, 6201, 6519, 11973, 12587, 16271, 19557, 28249, 35919, 37761, 48813, 84747, 113283, 146439, 163631, 211523, 254241, 490893, 634569, 667111, 1472679, 1903707, 2001333, 6003999, 8672443, 26017329, 78051987]

約数ペア:

[(1, 78051987), (3, 26017329), (9, 8672443), (13, 6003999), (39, 2001333), (41, 1903707), (53, 1472679), (117, 667111), (123, 634569), (159, 490893), (307, 254241), (369, 211523), (477, 163631), (533, 146439), (689, 113283), (921, 84747), (1599, 48813), (2067, 37761), (2173, 35919), (2763, 28249), (3991, 19557), (4797, 16271), (6201, 12587), (6519, 11973)]