2219811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 3259008

約数和(自身を除く): 1039197

約数列:

[1, 3, 11, 33, 137, 411, 491, 1473, 1507, 4521, 5401, 16203, 67267, 201801, 739937, 2219811]

約数ペア:

[(1, 2219811), (3, 739937), (11, 201801), (33, 67267), (137, 16203), (411, 5401), (491, 4521), (1473, 1507)]