202118721

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{73471}}^1$

素因数の和:73612

約数の個数: 16

約数和(自身を含む): 310345728

約数和(自身を除く): 108227007

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 73471, 220413, 514297, 1542891, 9624701, 28874103, 67372907, 202118721]

約数ペア:

[(1, 202118721), (3, 67372907), (7, 28874103), (21, 9624701), (131, 1542891), (393, 514297), (917, 220413), (2751, 73471)]