81130185

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43973}}^1$

素因数の和:44025

約数の個数: 24

約数和(自身を含む): 144058824

約数和(自身を除く): 62928639

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 43973, 131919, 219865, 395757, 659595, 1802893, 1978785, 5408679, 9014465, 16226037, 27043395, 81130185]

約数ペア:

[(1, 81130185), (3, 27043395), (5, 16226037), (9, 9014465), (15, 5408679), (41, 1978785), (45, 1802893), (123, 659595), (205, 395757), (369, 219865), (615, 131919), (1845, 43973)]