207976905

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 364766220

約数和(自身を除く): 156789315

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 389, 545, 981, 1167, 1635, 1945, 3501, 4905, 5835, 11881, 17505, 35643, 42401, 59405, 106929, 127203, 178215, 212005, 381609, 534645, 636015, 1908045, 4621709, 13865127, 23108545, 41595381, 69325635, 207976905]

約数ペア:

[(1, 207976905), (3, 69325635), (5, 41595381), (9, 23108545), (15, 13865127), (45, 4621709), (109, 1908045), (327, 636015), (389, 534645), (545, 381609), (981, 212005), (1167, 178215), (1635, 127203), (1945, 106929), (3501, 59405), (4905, 42401), (5835, 35643), (11881, 17505)]