27561531081

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{217907}}^1$

素因数の和:218253

約数の個数: 32

約数和(自身を含む): 44348636160

約数和(自身を除く): 16787105079

約数列:

[1, 3, 7, 19, 21, 57, 133, 317, 399, 951, 2219, 6023, 6657, 18069, 42161, 126483, 217907, 653721, 1525349, 4140233, 4576047, 12420699, 28981631, 69076519, 86944893, 207229557, 483535633, 1312453861, 1450606899, 3937361583, 9187177027, 27561531081]

約数ペア:

[(1, 27561531081), (3, 9187177027), (7, 3937361583), (19, 1450606899), (21, 1312453861), (57, 483535633), (133, 207229557), (317, 86944893), (399, 69076519), (951, 28981631), (2219, 12420699), (6023, 4576047), (6657, 4140233), (18069, 1525349), (42161, 653721), (126483, 217907)]