220120605

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85817}}^1$

素因数の和:85850

約数の個数: 32

約数和(自身を含む): 411926400

約数和(自身を除く): 191805795

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 85817, 257451, 429085, 772353, 1287255, 1630523, 2317059, 3861765, 4891569, 8152615, 11585295, 14674707, 24457845, 44024121, 73373535, 220120605]

約数ペア:

[(1, 220120605), (3, 73373535), (5, 44024121), (9, 24457845), (15, 14674707), (19, 11585295), (27, 8152615), (45, 4891569), (57, 3861765), (95, 2317059), (135, 1630523), (171, 1287255), (285, 772353), (513, 429085), (855, 257451), (2565, 85817)]