90807651

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12919}}^1$

素因数の和:13007

約数の個数: 24

約数和(自身を含む): 145117440

約数和(自身を除く): 54309789

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 12919, 38757, 116271, 142109, 426327, 917249, 1278981, 2751747, 8255241, 10089739, 30269217, 90807651]

約数ペア:

[(1, 90807651), (3, 30269217), (9, 10089739), (11, 8255241), (33, 2751747), (71, 1278981), (99, 917249), (213, 426327), (639, 142109), (781, 116271), (2343, 38757), (7029, 12919)]