17780495055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{65479}}^1$

素因数の和:65951

約数の個数: 32

約数和(自身を含む): 29179983360

約数和(自身を除く): 11399488305

約数列:

[1, 3, 5, 15, 43, 129, 215, 421, 645, 1263, 2105, 6315, 18103, 54309, 65479, 90515, 196437, 271545, 327395, 982185, 2815597, 8446791, 14077985, 27566659, 42233955, 82699977, 137833295, 413499885, 1185366337, 3556099011, 5926831685, 17780495055]

約数ペア:

[(1, 17780495055), (3, 5926831685), (5, 3556099011), (15, 1185366337), (43, 413499885), (129, 137833295), (215, 82699977), (421, 42233955), (645, 27566659), (1263, 14077985), (2105, 8446791), (6315, 2815597), (18103, 982185), (54309, 327395), (65479, 271545), (90515, 196437)]