78987447

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37993}}^1$

素因数の和:38020

約数の個数: 32

約数和(自身を含む): 145896960

約数和(自身を除く): 66909513

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 37993, 113979, 265951, 341937, 417923, 797853, 1025811, 1253769, 2393559, 2925461, 3761307, 7180677, 8776383, 11283921, 26329149, 78987447]

約数ペア:

[(1, 78987447), (3, 26329149), (7, 11283921), (9, 8776383), (11, 7180677), (21, 3761307), (27, 2925461), (33, 2393559), (63, 1253769), (77, 1025811), (99, 797853), (189, 417923), (231, 341937), (297, 265951), (693, 113979), (2079, 37993)]