210813129

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1907}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 310744512

約数和(自身を除く): 99931383

約数列:

[1, 3, 9, 71, 173, 213, 519, 639, 1557, 1907, 5721, 12283, 17163, 36849, 110547, 135397, 329911, 406191, 989733, 1218573, 2969199, 23423681, 70271043, 210813129]

約数ペア:

[(1, 210813129), (3, 70271043), (9, 23423681), (71, 2969199), (173, 1218573), (213, 989733), (519, 406191), (639, 329911), (1557, 135397), (1907, 110547), (5721, 36849), (12283, 17163)]