221349039

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{3919}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 300679680

約数和(自身を除く): 79330641

約数列:

[1, 3, 67, 201, 281, 843, 3919, 11757, 18827, 56481, 262573, 787719, 1101239, 3303717, 73783013, 221349039]

約数ペア:

[(1, 221349039), (3, 73783013), (67, 3303717), (201, 1101239), (281, 787719), (843, 262573), (3919, 56481), (11757, 18827)]