15978159

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{2111}}^1$

素因数の和:2175

約数の個数: 18

約数和(自身を含む): 23914176

約数和(自身を除く): 7936017

約数列:

[1, 3, 9, 29, 87, 261, 841, 2111, 2523, 6333, 7569, 18999, 61219, 183657, 550971, 1775351, 5326053, 15978159]

約数ペア:

[(1, 15978159), (3, 5326053), (9, 1775351), (29, 550971), (87, 183657), (261, 61219), (841, 18999), (2111, 7569), (2523, 6333)]