215425521

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8461}}^1$

素因数の和:8534

約数の個数: 32

約数和(自身を含む): 341187840

約数和(自身を除く): 125762319

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 943, 1107, 2829, 8461, 8487, 25383, 25461, 76149, 194603, 228447, 346901, 583809, 1040703, 1751427, 3122109, 5254281, 7978723, 9366327, 23936169, 71808507, 215425521]

約数ペア:

[(1, 215425521), (3, 71808507), (9, 23936169), (23, 9366327), (27, 7978723), (41, 5254281), (69, 3122109), (123, 1751427), (207, 1040703), (369, 583809), (621, 346901), (943, 228447), (1107, 194603), (2829, 76149), (8461, 25461), (8487, 25383)]