201689109

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 312020280

約数和(自身を除く): 110331171

約数列:

[1, 3, 9, 27, 37, 81, 111, 173, 333, 389, 519, 999, 1167, 1557, 2997, 3501, 4671, 6401, 10503, 14013, 14393, 19203, 31509, 43179, 57609, 67297, 129537, 172827, 201891, 388611, 518481, 605673, 1165833, 1817019, 2489989, 5451057, 7469967, 22409901, 67229703, 201689109]

約数ペア:

[(1, 201689109), (3, 67229703), (9, 22409901), (27, 7469967), (37, 5451057), (81, 2489989), (111, 1817019), (173, 1165833), (333, 605673), (389, 518481), (519, 388611), (999, 201891), (1167, 172827), (1557, 129537), (2997, 67297), (3501, 57609), (4671, 43179), (6401, 31509), (10503, 19203), (14013, 14393)]