128429427

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{130121}}^1$

素因数の和:130178

約数の個数: 16

約数和(自身を含む): 199867392

約数和(自身を除く): 71437965

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 130121, 390363, 910847, 2732541, 6115687, 18347061, 42809809, 128429427]

約数ペア:

[(1, 128429427), (3, 42809809), (7, 18347061), (21, 6115687), (47, 2732541), (141, 910847), (329, 390363), (987, 130121)]