54981585

素因数分解:

$3^4\times 5^1\times {\mathrm{135757}}^1$

素因数の和:135774

約数の個数: 20

約数和(自身を含む): 98560308

約数和(自身を除く): 43578723

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 135757, 407271, 678785, 1221813, 2036355, 3665439, 6109065, 10996317, 18327195, 54981585]

約数ペア:

[(1, 54981585), (3, 18327195), (5, 10996317), (9, 6109065), (15, 3665439), (27, 2036355), (45, 1221813), (81, 678785), (135, 407271), (405, 135757)]