81972015

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{14419}}^1$

素因数の和:14806

約数の個数: 16

約数和(自身を含む): 131510400

約数和(自身を除く): 49538385

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 5685, 14419, 43257, 72095, 216285, 5464801, 16394403, 27324005, 81972015]

約数ペア:

[(1, 81972015), (3, 27324005), (5, 16394403), (15, 5464801), (379, 216285), (1137, 72095), (1895, 43257), (5685, 14419)]