205399545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 378653184

約数和(自身を除く): 173253639

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 115, 123, 195, 205, 299, 345, 533, 615, 897, 943, 1117, 1495, 1599, 2665, 2829, 3351, 4485, 4715, 5585, 7995, 12259, 14145, 14521, 16755, 25691, 36777, 43563, 45797, 61295, 72605, 77073, 128455, 137391, 183885, 217815, 228985, 333983, 385365, 595361, 686955, 1001949, 1053331, 1669915, 1786083, 2976805, 3159993, 5009745, 5266655, 8930415, 13693303, 15799965, 41079909, 68466515, 205399545]

約数ペア:

[(1, 205399545), (3, 68466515), (5, 41079909), (13, 15799965), (15, 13693303), (23, 8930415), (39, 5266655), (41, 5009745), (65, 3159993), (69, 2976805), (115, 1786083), (123, 1669915), (195, 1053331), (205, 1001949), (299, 686955), (345, 595361), (533, 385365), (615, 333983), (897, 228985), (943, 217815), (1117, 183885), (1495, 137391), (1599, 128455), (2665, 77073), (2829, 72605), (3351, 61295), (4485, 45797), (4715, 43563), (5585, 36777), (7995, 25691), (12259, 16755), (14145, 14521)]