220080063

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 344881152

約数和(自身を除く): 124801089

約数列:

[1, 3, 7, 21, 43, 129, 251, 301, 753, 903, 971, 1757, 2913, 5271, 6797, 10793, 20391, 32379, 41753, 75551, 125259, 226653, 243721, 292271, 731163, 876813, 1706047, 5118141, 10480003, 31440009, 73360021, 220080063]

約数ペア:

[(1, 220080063), (3, 73360021), (7, 31440009), (21, 10480003), (43, 5118141), (129, 1706047), (251, 876813), (301, 731163), (753, 292271), (903, 243721), (971, 226653), (1757, 125259), (2913, 75551), (5271, 41753), (6797, 32379), (10793, 20391)]