15975145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 19926720

約数和(自身を除く): 3951575

約数列:

[1, 5, 43, 67, 215, 335, 1109, 2881, 5545, 14405, 47687, 74303, 238435, 371515, 3195029, 15975145]

約数ペア:

[(1, 15975145), (5, 3195029), (43, 371515), (67, 238435), (215, 74303), (335, 47687), (1109, 14405), (2881, 5545)]