87898923

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 150898176

約数和(自身を除く): 62999253

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 213, 301, 387, 457, 497, 639, 903, 1371, 1491, 2709, 3053, 3199, 4113, 4473, 9159, 9597, 19651, 21371, 27477, 28791, 32447, 58953, 64113, 97341, 137557, 176859, 192339, 227129, 292023, 412671, 681387, 1238013, 1395221, 2044161, 4185663, 9766547, 12556989, 29299641, 87898923]

約数ペア:

[(1, 87898923), (3, 29299641), (7, 12556989), (9, 9766547), (21, 4185663), (43, 2044161), (63, 1395221), (71, 1238013), (129, 681387), (213, 412671), (301, 292023), (387, 227129), (457, 192339), (497, 176859), (639, 137557), (903, 97341), (1371, 64113), (1491, 58953), (2709, 32447), (3053, 28791), (3199, 27477), (4113, 21371), (4473, 19651), (9159, 9597)]