1856439

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 3130512

約数和(自身を除く): 1274073

約数列:

[1, 3, 9, 13, 27, 39, 41, 43, 81, 117, 123, 129, 351, 369, 387, 533, 559, 1053, 1107, 1161, 1599, 1677, 1763, 3321, 3483, 4797, 5031, 5289, 14391, 15093, 15867, 22919, 43173, 45279, 47601, 68757, 142803, 206271, 618813, 1856439]

約数ペア:

[(1, 1856439), (3, 618813), (9, 206271), (13, 142803), (27, 68757), (39, 47601), (41, 45279), (43, 43173), (81, 22919), (117, 15867), (123, 15093), (129, 14391), (351, 5289), (369, 5031), (387, 4797), (533, 3483), (559, 3321), (1053, 1763), (1107, 1677), (1161, 1599)]