28374207

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 13595457

約数列:

[1, 3, 17, 31, 51, 93, 131, 137, 393, 411, 527, 1581, 2227, 2329, 4061, 4247, 6681, 6987, 12183, 12741, 17947, 53841, 69037, 72199, 207111, 216597, 305099, 556357, 915297, 1669071, 9458069, 28374207]

約数ペア:

[(1, 28374207), (3, 9458069), (17, 1669071), (31, 915297), (51, 556357), (93, 305099), (131, 216597), (137, 207111), (393, 72199), (411, 69037), (527, 53841), (1581, 17947), (2227, 12741), (2329, 12183), (4061, 6987), (4247, 6681)]