85980909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1907}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 139207680

約数和(自身を除く): 53226771

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1907, 2147, 2373, 5721, 6441, 13349, 15029, 36233, 40047, 45087, 108699, 215491, 253631, 646473, 760893, 1508437, 4094329, 4525311, 12282987, 28660303, 85980909]

約数ペア:

[(1, 85980909), (3, 28660303), (7, 12282987), (19, 4525311), (21, 4094329), (57, 1508437), (113, 760893), (133, 646473), (339, 253631), (399, 215491), (791, 108699), (1907, 45087), (2147, 40047), (2373, 36233), (5721, 15029), (6441, 13349)]