221536065

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{112741}}^1$

素因数の和:112880

約数の個数: 16

約数和(自身を含む): 357166656

約数和(自身を除く): 135630591

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 112741, 338223, 563705, 1691115, 14769071, 44307213, 73845355, 221536065]

約数ペア:

[(1, 221536065), (3, 73845355), (5, 44307213), (15, 14769071), (131, 1691115), (393, 563705), (655, 338223), (1965, 112741)]