16177563

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 25613280

約数和(自身を除く): 9435717

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 97, 213, 261, 291, 639, 783, 873, 1917, 2059, 2349, 2619, 2813, 5751, 6177, 6887, 7857, 8439, 18531, 20661, 25317, 55593, 61983, 75951, 166779, 185949, 199723, 227853, 557847, 599169, 1797507, 5392521, 16177563]

約数ペア:

[(1, 16177563), (3, 5392521), (9, 1797507), (27, 599169), (29, 557847), (71, 227853), (81, 199723), (87, 185949), (97, 166779), (213, 75951), (261, 61983), (291, 55593), (639, 25317), (783, 20661), (873, 18531), (1917, 8439), (2059, 7857), (2349, 6887), (2619, 6177), (2813, 5751)]