55155789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 93972480

約数和(自身を除く): 38816691

約数列:

[1, 3, 9, 13, 27, 31, 37, 39, 93, 111, 117, 137, 279, 333, 351, 403, 411, 481, 837, 999, 1147, 1209, 1233, 1443, 1781, 3441, 3627, 3699, 4247, 4329, 5069, 5343, 10323, 10881, 12741, 12987, 14911, 15207, 16029, 30969, 38223, 44733, 45621, 48087, 55211, 65897, 114669, 134199, 136863, 157139, 165633, 197691, 402597, 471417, 496899, 593073, 1414251, 1490697, 1779219, 2042807, 4242753, 6128421, 18385263, 55155789]

約数ペア:

[(1, 55155789), (3, 18385263), (9, 6128421), (13, 4242753), (27, 2042807), (31, 1779219), (37, 1490697), (39, 1414251), (93, 593073), (111, 496899), (117, 471417), (137, 402597), (279, 197691), (333, 165633), (351, 157139), (403, 136863), (411, 134199), (481, 114669), (837, 65897), (999, 55211), (1147, 48087), (1209, 45621), (1233, 44733), (1443, 38223), (1781, 30969), (3441, 16029), (3627, 15207), (3699, 14911), (4247, 12987), (4329, 12741), (5069, 10881), (5343, 10323)]