215564811

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3229}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 380778240

約数和(自身を除く): 165213429

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 357, 561, 867, 1309, 2023, 3179, 3229, 3927, 6069, 9537, 9687, 22253, 22603, 35519, 54893, 66759, 67809, 106557, 164679, 248633, 384251, 603823, 745899, 933181, 1152753, 1811469, 2799543, 4226761, 6532267, 10264991, 12680283, 19596801, 30794973, 71854937, 215564811]

約数ペア:

[(1, 215564811), (3, 71854937), (7, 30794973), (11, 19596801), (17, 12680283), (21, 10264991), (33, 6532267), (51, 4226761), (77, 2799543), (119, 1811469), (187, 1152753), (231, 933181), (289, 745899), (357, 603823), (561, 384251), (867, 248633), (1309, 164679), (2023, 106557), (3179, 67809), (3229, 66759), (3927, 54893), (6069, 35519), (9537, 22603), (9687, 22253)]