27862821

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 22928283

約数列:

[1, 3, 7, 9, 21, 23, 41, 49, 63, 67, 69, 123, 147, 161, 201, 207, 287, 369, 441, 469, 483, 603, 861, 943, 1127, 1407, 1449, 1541, 2009, 2583, 2747, 2829, 3283, 3381, 4221, 4623, 6027, 6601, 8241, 8487, 9849, 10143, 10787, 13869, 18081, 19229, 19803, 24723, 29547, 32361, 46207, 57687, 59409, 63181, 75509, 97083, 134603, 138621, 173061, 189543, 226527, 403809, 415863, 442267, 568629, 679581, 1211427, 1326801, 3095869, 3980403, 9287607, 27862821]

約数ペア:

[(1, 27862821), (3, 9287607), (7, 3980403), (9, 3095869), (21, 1326801), (23, 1211427), (41, 679581), (49, 568629), (63, 442267), (67, 415863), (69, 403809), (123, 226527), (147, 189543), (161, 173061), (201, 138621), (207, 134603), (287, 97083), (369, 75509), (441, 63181), (469, 59409), (483, 57687), (603, 46207), (861, 32361), (943, 29547), (1127, 24723), (1407, 19803), (1449, 19229), (1541, 18081), (2009, 13869), (2583, 10787), (2747, 10143), (2829, 9849), (3283, 8487), (3381, 8241), (4221, 6601), (4623, 6027)]