15123381

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 25632768

約数和(自身を除く): 10509387

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 1787, 2821, 5361, 8463, 12509, 23231, 37527, 55397, 69693, 162617, 166191, 387779, 487851, 720161, 1163337, 2160483, 5041127, 15123381]

約数ペア:

[(1, 15123381), (3, 5041127), (7, 2160483), (13, 1163337), (21, 720161), (31, 487851), (39, 387779), (91, 166191), (93, 162617), (217, 69693), (273, 55397), (403, 37527), (651, 23231), (1209, 12509), (1787, 8463), (2821, 5361)]