201988995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16981}}^1$

素因数の和:17063

約数の個数: 32

約数和(自身を含む): 353769024

約数和(自身を除く): 151780029

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 16981, 50943, 84905, 220753, 254715, 662259, 1035841, 1103765, 3107523, 3311295, 5179205, 13465933, 15537615, 40397799, 67329665, 201988995]

約数ペア:

[(1, 201988995), (3, 67329665), (5, 40397799), (13, 15537615), (15, 13465933), (39, 5179205), (61, 3311295), (65, 3107523), (183, 1103765), (195, 1035841), (305, 662259), (793, 254715), (915, 220753), (2379, 84905), (3965, 50943), (11895, 16981)]