205424385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{1069}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 343906560

約数和(自身を除く): 138482175

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 557, 1069, 1671, 2785, 3207, 5345, 8355, 12811, 16035, 24587, 38433, 64055, 73761, 122935, 192165, 368805, 595433, 1786299, 2977165, 8931495, 13694959, 41084877, 68474795, 205424385]

約数ペア:

[(1, 205424385), (3, 68474795), (5, 41084877), (15, 13694959), (23, 8931495), (69, 2977165), (115, 1786299), (345, 595433), (557, 368805), (1069, 192165), (1671, 122935), (2785, 73761), (3207, 64055), (5345, 38433), (8355, 24587), (12811, 16035)]