19701129

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11264631

約数列:

[1, 3, 7, 21, 83, 89, 127, 249, 267, 381, 581, 623, 889, 1743, 1869, 2667, 7387, 10541, 11303, 22161, 31623, 33909, 51709, 73787, 79121, 155127, 221361, 237363, 938149, 2814447, 6567043, 19701129]

約数ペア:

[(1, 19701129), (3, 6567043), (7, 2814447), (21, 938149), (83, 237363), (89, 221361), (127, 155127), (249, 79121), (267, 73787), (381, 51709), (581, 33909), (623, 31623), (889, 22161), (1743, 11303), (1869, 10541), (2667, 7387)]