200720805

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 332657280

約数和(自身を除く): 131936475

約数列:

[1, 3, 5, 15, 53, 61, 159, 183, 265, 305, 795, 915, 3233, 4139, 9699, 12417, 16165, 20695, 48495, 62085, 219367, 252479, 658101, 757437, 1096835, 1262395, 3290505, 3787185, 13381387, 40144161, 66906935, 200720805]

約数ペア:

[(1, 200720805), (3, 66906935), (5, 40144161), (15, 13381387), (53, 3787185), (61, 3290505), (159, 1262395), (183, 1096835), (265, 757437), (305, 658101), (795, 252479), (915, 219367), (3233, 62085), (4139, 48495), (9699, 20695), (12417, 16165)]