81456915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{236107}}^1$

素因数の和:236138

約数の個数: 16

約数和(自身を含む): 135998208

約数和(自身を除く): 54541293

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 236107, 708321, 1180535, 3541605, 5430461, 16291383, 27152305, 81456915]

約数ペア:

[(1, 81456915), (3, 27152305), (5, 16291383), (15, 5430461), (23, 3541605), (69, 1180535), (115, 708321), (345, 236107)]