83565555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 143928576

約数和(自身を除く): 60363021

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 131, 215, 345, 393, 645, 655, 989, 1849, 1965, 2967, 3013, 4945, 5547, 5633, 9039, 9245, 14835, 15065, 16899, 27735, 28165, 42527, 45195, 84495, 127581, 129559, 212635, 242219, 388677, 637905, 647795, 726657, 1211095, 1943385, 3633285, 5571037, 16713111, 27855185, 83565555]

約数ペア:

[(1, 83565555), (3, 27855185), (5, 16713111), (15, 5571037), (23, 3633285), (43, 1943385), (69, 1211095), (115, 726657), (129, 647795), (131, 637905), (215, 388677), (345, 242219), (393, 212635), (645, 129559), (655, 127581), (989, 84495), (1849, 45195), (1965, 42527), (2967, 28165), (3013, 27735), (4945, 16899), (5547, 15065), (5633, 14835), (9039, 9245)]