2220339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 3285504

約数和(自身を除く): 1065165

約数列:

[1, 3, 11, 33, 61, 183, 671, 1103, 2013, 3309, 12133, 36399, 67283, 201849, 740113, 2220339]

約数ペア:

[(1, 2220339), (3, 740113), (11, 201849), (33, 67283), (61, 36399), (183, 12133), (671, 3309), (1103, 2013)]