1490454987

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{3767}}^1$

素因数の和:4087

約数の個数: 32

約数和(自身を含む): 2309271552

約数和(自身を除く): 818816565

約数列:

[1, 3, 7, 21, 83, 227, 249, 581, 681, 1589, 1743, 3767, 4767, 11301, 18841, 26369, 56523, 79107, 131887, 312661, 395661, 855109, 937983, 2188627, 2565327, 5985763, 6565881, 17957289, 70974047, 212922141, 496818329, 1490454987]

約数ペア:

[(1, 1490454987), (3, 496818329), (7, 212922141), (21, 70974047), (83, 17957289), (227, 6565881), (249, 5985763), (581, 2565327), (681, 2188627), (1589, 937983), (1743, 855109), (3767, 395661), (4767, 312661), (11301, 131887), (18841, 79107), (26369, 56523)]