199898787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 299566080

約数和(自身を除く): 99667293

約数列:

[1, 3, 11, 33, 43, 129, 179, 473, 537, 787, 1419, 1969, 2361, 5907, 7697, 8657, 23091, 25971, 33841, 84667, 101523, 140873, 254001, 372251, 422619, 1116753, 1549603, 4648809, 6057539, 18172617, 66632929, 199898787]

約数ペア:

[(1, 199898787), (3, 66632929), (11, 18172617), (33, 6057539), (43, 4648809), (129, 1549603), (179, 1116753), (473, 422619), (537, 372251), (787, 254001), (1419, 140873), (1969, 101523), (2361, 84667), (5907, 33841), (7697, 25971), (8657, 23091)]