271955721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 391104000

約数和(自身を除く): 119148279

約数列:

[1, 3, 19, 57, 59, 177, 193, 419, 579, 1121, 1257, 3363, 3667, 7961, 11001, 11387, 23883, 24721, 34161, 74163, 80867, 216353, 242601, 469699, 649059, 1409097, 1536473, 4609419, 4771153, 14313459, 90651907, 271955721]

約数ペア:

[(1, 271955721), (3, 90651907), (19, 14313459), (57, 4771153), (59, 4609419), (177, 1536473), (193, 1409097), (419, 649059), (579, 469699), (1121, 242601), (1257, 216353), (3363, 80867), (3667, 74163), (7961, 34161), (11001, 24721), (11387, 23883)]