197877681

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{4007}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 307814400

約数和(自身を除く): 109936719

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 837, 1593, 1829, 4007, 5487, 12021, 16461, 36063, 49383, 108189, 124217, 236413, 372651, 709239, 1117953, 2127717, 3353859, 6383151, 7328803, 21986409, 65959227, 197877681]

約数ペア:

[(1, 197877681), (3, 65959227), (9, 21986409), (27, 7328803), (31, 6383151), (59, 3353859), (93, 2127717), (177, 1117953), (279, 709239), (531, 372651), (837, 236413), (1593, 124217), (1829, 108189), (4007, 49383), (5487, 36063), (12021, 16461)]