81837189

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 63314811

約数列:

[1, 3, 7, 9, 21, 27, 41, 59, 63, 123, 177, 179, 189, 287, 369, 413, 531, 537, 861, 1107, 1239, 1253, 1593, 1611, 2419, 2583, 3717, 3759, 4833, 7257, 7339, 7749, 10561, 11151, 11277, 16933, 21771, 22017, 31683, 33831, 50799, 51373, 65313, 66051, 73927, 95049, 152397, 154119, 198153, 221781, 285147, 433001, 457191, 462357, 665343, 1299003, 1387071, 1996029, 3031007, 3897009, 9093021, 11691027, 27279063, 81837189]

約数ペア:

[(1, 81837189), (3, 27279063), (7, 11691027), (9, 9093021), (21, 3897009), (27, 3031007), (41, 1996029), (59, 1387071), (63, 1299003), (123, 665343), (177, 462357), (179, 457191), (189, 433001), (287, 285147), (369, 221781), (413, 198153), (531, 154119), (537, 152397), (861, 95049), (1107, 73927), (1239, 66051), (1253, 65313), (1593, 51373), (1611, 50799), (2419, 33831), (2583, 31683), (3717, 22017), (3759, 21771), (4833, 16933), (7257, 11277), (7339, 11151), (7749, 10561)]