17956539

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 13147461

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 71, 87, 153, 171, 213, 261, 323, 459, 493, 513, 551, 639, 783, 969, 1207, 1349, 1479, 1653, 1917, 2059, 2907, 3621, 4047, 4437, 4959, 6177, 8721, 9367, 10863, 12141, 13311, 14877, 18531, 22933, 28101, 32589, 35003, 36423, 39121, 55593, 68799, 84303, 105009, 117363, 206397, 252909, 315027, 352089, 619191, 665057, 945081, 1056267, 1995171, 5985513, 17956539]

約数ペア:

[(1, 17956539), (3, 5985513), (9, 1995171), (17, 1056267), (19, 945081), (27, 665057), (29, 619191), (51, 352089), (57, 315027), (71, 252909), (87, 206397), (153, 117363), (171, 105009), (213, 84303), (261, 68799), (323, 55593), (459, 39121), (493, 36423), (513, 35003), (551, 32589), (639, 28101), (783, 22933), (969, 18531), (1207, 14877), (1349, 13311), (1479, 12141), (1653, 10863), (1917, 9367), (2059, 8721), (2907, 6177), (3621, 4959), (4047, 4437)]