820147005

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{195973}}^1$

素因数の和:196018

約数の個数: 32

約数和(自身を含む): 1505080320

約数和(自身を除く): 684933315

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 195973, 587919, 979865, 1763757, 2939595, 5291271, 6075163, 8818785, 18225489, 26456355, 30375815, 54676467, 91127445, 164029401, 273382335, 820147005]

約数ペア:

[(1, 820147005), (3, 273382335), (5, 164029401), (9, 91127445), (15, 54676467), (27, 30375815), (31, 26456355), (45, 18225489), (93, 8818785), (135, 6075163), (155, 5291271), (279, 2939595), (465, 1763757), (837, 979865), (1395, 587919), (4185, 195973)]