15120513

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 24088680

約数和(自身を除く): 8968167

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 123, 157, 261, 369, 471, 783, 1107, 1189, 1413, 2349, 3321, 3567, 4239, 4553, 6437, 10701, 12717, 13659, 19311, 32103, 40977, 57933, 96309, 122931, 173799, 186673, 368793, 521397, 560019, 1680057, 5040171, 15120513]

約数ペア:

[(1, 15120513), (3, 5040171), (9, 1680057), (27, 560019), (29, 521397), (41, 368793), (81, 186673), (87, 173799), (123, 122931), (157, 96309), (261, 57933), (369, 40977), (471, 32103), (783, 19311), (1107, 13659), (1189, 12717), (1413, 10701), (2349, 6437), (3321, 4553), (3567, 4239)]