90688287

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 129761280

約数和(自身を除く): 39072993

約数列:

[1, 3, 23, 69, 79, 127, 131, 237, 381, 393, 1817, 2921, 3013, 5451, 8763, 9039, 10033, 10349, 16637, 30099, 31047, 49911, 230759, 238027, 382651, 692277, 714081, 1147953, 1314323, 3942969, 30229429, 90688287]

約数ペア:

[(1, 90688287), (3, 30229429), (23, 3942969), (69, 1314323), (79, 1147953), (127, 714081), (131, 692277), (237, 382651), (381, 238027), (393, 230759), (1817, 49911), (2921, 31047), (3013, 30099), (5451, 16637), (8763, 10349), (9039, 10033)]