80198325

素因数分解:

$3^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{827}}^1$

素因数の和:1274

約数の個数: 36

約数和(自身を含む): 144151488

約数和(自身を除く): 63953163

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 431, 827, 1293, 2155, 2481, 3879, 4135, 6465, 7443, 10775, 12405, 19395, 20675, 32325, 37215, 62025, 96975, 186075, 356437, 1069311, 1782185, 3207933, 5346555, 8910925, 16039665, 26732775, 80198325]

約数ペア:

[(1, 80198325), (3, 26732775), (5, 16039665), (9, 8910925), (15, 5346555), (25, 3207933), (45, 1782185), (75, 1069311), (225, 356437), (431, 186075), (827, 96975), (1293, 62025), (2155, 37215), (2481, 32325), (3879, 20675), (4135, 19395), (6465, 12405), (7443, 10775)]