128420229

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{3373}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 205139200

約数和(自身を除く): 76718971

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 1029, 1813, 3373, 5439, 10119, 12691, 23611, 38073, 70833, 124801, 165277, 374403, 495831, 873607, 1156939, 2620821, 3470817, 6115249, 18345747, 42806743, 128420229]

約数ペア:

[(1, 128420229), (3, 42806743), (7, 18345747), (21, 6115249), (37, 3470817), (49, 2620821), (111, 1156939), (147, 873607), (259, 495831), (343, 374403), (777, 165277), (1029, 124801), (1813, 70833), (3373, 38073), (5439, 23611), (10119, 12691)]