85128681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 131466240

約数和(自身を除く): 46337559

約数列:

[1, 3, 11, 23, 33, 59, 69, 177, 253, 649, 759, 1357, 1901, 1947, 4071, 5703, 14927, 20911, 43723, 44781, 62733, 112159, 131169, 336477, 480953, 1233749, 1442859, 2579657, 3701247, 7738971, 28376227, 85128681]

約数ペア:

[(1, 85128681), (3, 28376227), (11, 7738971), (23, 3701247), (33, 2579657), (59, 1442859), (69, 1233749), (177, 480953), (253, 336477), (649, 131169), (759, 112159), (1357, 62733), (1901, 44781), (1947, 43723), (4071, 20911), (5703, 14927)]