1861321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 2423808

約数和(自身を除く): 562487

約数列:

[1, 7, 11, 23, 77, 161, 253, 1051, 1771, 7357, 11561, 24173, 80927, 169211, 265903, 1861321]

約数ペア:

[(1, 1861321), (7, 265903), (11, 169211), (23, 80927), (77, 24173), (161, 11561), (253, 7357), (1051, 1771)]