28377351

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 14960889

約数列:

[1, 3, 9, 27, 71, 113, 131, 213, 339, 393, 639, 1017, 1179, 1917, 3051, 3537, 8023, 9301, 14803, 24069, 27903, 44409, 72207, 83709, 133227, 216621, 251127, 399681, 1051013, 3153039, 9459117, 28377351]

約数ペア:

[(1, 28377351), (3, 9459117), (9, 3153039), (27, 1051013), (71, 399681), (113, 251127), (131, 216621), (213, 133227), (339, 83709), (393, 72207), (639, 44409), (1017, 27903), (1179, 24069), (1917, 14803), (3051, 9301), (3537, 8023)]