212740887

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{3727}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 289889280

約数和(自身を除く): 77148393

約数列:

[1, 3, 53, 159, 359, 1077, 3727, 11181, 19027, 57081, 197531, 592593, 1337993, 4013979, 70913629, 212740887]

約数ペア:

[(1, 212740887), (3, 70913629), (53, 4013979), (159, 1337993), (359, 592593), (1077, 197531), (3727, 57081), (11181, 19027)]