7871839857

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{140551}}^1$

素因数の和:140698

約数の個数: 36

約数和(自身を含む): 13331076096

約数和(自身を除く): 5459236239

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 889, 1143, 2667, 6223, 8001, 18669, 56007, 140551, 421653, 983857, 1264959, 2951571, 6886999, 8854713, 17849977, 20660997, 53549931, 61982991, 124949839, 160649793, 374849517, 874648873, 1124548551, 2623946619, 7871839857]

約数ペア:

[(1, 7871839857), (3, 2623946619), (7, 1124548551), (9, 874648873), (21, 374849517), (49, 160649793), (63, 124949839), (127, 61982991), (147, 53549931), (381, 20660997), (441, 17849977), (889, 8854713), (1143, 6886999), (2667, 2951571), (6223, 1264959), (8001, 983857), (18669, 421653), (56007, 140551)]