28280529

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 15466671

約数列:

[1, 3, 9, 27, 41, 59, 123, 177, 369, 433, 531, 1107, 1299, 1593, 2419, 3897, 7257, 11691, 17753, 21771, 25547, 53259, 65313, 76641, 159777, 229923, 479331, 689769, 1047427, 3142281, 9426843, 28280529]

約数ペア:

[(1, 28280529), (3, 9426843), (9, 3142281), (27, 1047427), (41, 689769), (59, 479331), (123, 229923), (177, 159777), (369, 76641), (433, 65313), (531, 53259), (1107, 25547), (1299, 21771), (1593, 17753), (2419, 11691), (3897, 7257)]