131698623

素因数分解:

$3^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 206553600

約数和(自身を除く): 74854977

約数列:

[1, 3, 7, 21, 49, 131, 147, 343, 393, 917, 977, 1029, 2751, 2931, 6419, 6839, 19257, 20517, 44933, 47873, 127987, 134799, 143619, 335111, 383961, 895909, 1005333, 2687727, 6271363, 18814089, 43899541, 131698623]

約数ペア:

[(1, 131698623), (3, 43899541), (7, 18814089), (21, 6271363), (49, 2687727), (131, 1005333), (147, 895909), (343, 383961), (393, 335111), (917, 143619), (977, 134799), (1029, 127987), (2751, 47873), (2931, 44933), (6419, 20517), (6839, 19257)]