16404213

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 9446667

約数列:

[1, 3, 7, 21, 67, 89, 131, 201, 267, 393, 469, 623, 917, 1407, 1869, 2751, 5963, 8777, 11659, 17889, 26331, 34977, 41741, 61439, 81613, 125223, 184317, 244839, 781153, 2343459, 5468071, 16404213]

約数ペア:

[(1, 16404213), (3, 5468071), (7, 2343459), (21, 781153), (67, 244839), (89, 184317), (131, 125223), (201, 81613), (267, 61439), (393, 41741), (469, 34977), (623, 26331), (917, 17889), (1407, 11659), (1869, 8777), (2751, 5963)]