204568455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149867}}^1$

素因数の和:149895

約数の個数: 32

約数和(自身を含む): 402845184

約数和(自身を除く): 198276729

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 149867, 449601, 749335, 1049069, 1948271, 2248005, 3147207, 5245345, 5844813, 9741355, 13637897, 15736035, 29224065, 40913691, 68189485, 204568455]

約数ペア:

[(1, 204568455), (3, 68189485), (5, 40913691), (7, 29224065), (13, 15736035), (15, 13637897), (21, 9741355), (35, 5844813), (39, 5245345), (65, 3147207), (91, 2248005), (105, 1948271), (195, 1049069), (273, 749335), (455, 449601), (1365, 149867)]