15820545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81131}}^1$

素因数の和:81152

約数の個数: 16

約数和(自身を含む): 27260352

約数和(自身を除く): 11439807

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 81131, 243393, 405655, 1054703, 1216965, 3164109, 5273515, 15820545]

約数ペア:

[(1, 15820545), (3, 5273515), (5, 3164109), (13, 1216965), (15, 1054703), (39, 405655), (65, 243393), (195, 81131)]