51378015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7121}}^1$

素因数の和:7179

約数の個数: 32

約数和(自身を含む): 90933696

約数和(自身を除く): 39555681

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7121, 7215, 21363, 35605, 92573, 106815, 263477, 277719, 462865, 790431, 1317385, 1388595, 3425201, 3952155, 10275603, 17126005, 51378015]

約数ペア:

[(1, 51378015), (3, 17126005), (5, 10275603), (13, 3952155), (15, 3425201), (37, 1388595), (39, 1317385), (65, 790431), (111, 462865), (185, 277719), (195, 263477), (481, 106815), (555, 92573), (1443, 35605), (2405, 21363), (7121, 7215)]