28867921

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 33067584

約数和(自身を除く): 4199663

約数列:

[1, 17, 23, 43, 101, 289, 391, 731, 989, 1717, 2323, 4343, 6647, 12427, 16813, 29189, 39491, 73831, 99889, 285821, 671347, 1255127, 1698113, 28867921]

約数ペア:

[(1, 28867921), (17, 1698113), (23, 1255127), (43, 671347), (101, 285821), (289, 99889), (391, 73831), (731, 39491), (989, 29189), (1717, 16813), (2323, 12427), (4343, 6647)]