16779987

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 12250413

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 1889, 2961, 5667, 8883, 13223, 17001, 39669, 51003, 88783, 119007, 266349, 357021, 621481, 799047, 1864443, 2397141, 5593329, 16779987]

約数ペア:

[(1, 16779987), (3, 5593329), (7, 2397141), (9, 1864443), (21, 799047), (27, 621481), (47, 357021), (63, 266349), (141, 119007), (189, 88783), (329, 51003), (423, 39669), (987, 17001), (1269, 13223), (1889, 8883), (2961, 5667)]