28101129

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{13249}}^1$

素因数の和:13360

約数の個数: 16

約数和(自身を含む): 43248000

約数和(自身を除く): 15146871

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 13249, 39747, 92743, 278229, 1338149, 4014447, 9367043, 28101129]

約数ペア:

[(1, 28101129), (3, 9367043), (7, 4014447), (21, 1338149), (101, 278229), (303, 92743), (707, 39747), (2121, 13249)]