201890619

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 349719552

約数和(自身を除く): 147828933

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 277, 483, 503, 831, 1449, 1509, 1939, 2493, 3521, 4527, 5817, 6371, 10563, 11569, 17451, 19113, 31689, 34707, 44597, 57339, 80983, 104121, 133791, 139331, 242949, 401373, 417993, 728847, 975317, 1253979, 2925951, 3204613, 8777853, 9613839, 22432291, 28841517, 67296873, 201890619]

約数ペア:

[(1, 201890619), (3, 67296873), (7, 28841517), (9, 22432291), (21, 9613839), (23, 8777853), (63, 3204613), (69, 2925951), (161, 1253979), (207, 975317), (277, 728847), (483, 417993), (503, 401373), (831, 242949), (1449, 139331), (1509, 133791), (1939, 104121), (2493, 80983), (3521, 57339), (4527, 44597), (5817, 34707), (6371, 31689), (10563, 19113), (11569, 17451)]