198286545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1777}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 326696832

約数和(自身を除く): 128410287

約数列:

[1, 3, 5, 15, 43, 129, 173, 215, 519, 645, 865, 1777, 2595, 5331, 7439, 8885, 22317, 26655, 37195, 76411, 111585, 229233, 307421, 382055, 922263, 1146165, 1537105, 4611315, 13219103, 39657309, 66095515, 198286545]

約数ペア:

[(1, 198286545), (3, 66095515), (5, 39657309), (15, 13219103), (43, 4611315), (129, 1537105), (173, 1146165), (215, 922263), (519, 382055), (645, 307421), (865, 229233), (1777, 111585), (2595, 76411), (5331, 37195), (7439, 26655), (8885, 22317)]