15591933

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 26972352

約数和(自身を除く): 11380419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 257, 321, 567, 749, 771, 963, 1799, 2247, 2313, 2889, 5397, 6741, 6939, 8667, 16191, 20223, 20817, 27499, 48573, 60669, 82497, 145719, 192493, 247491, 577479, 742473, 1732437, 2227419, 5197311, 15591933]

約数ペア:

[(1, 15591933), (3, 5197311), (7, 2227419), (9, 1732437), (21, 742473), (27, 577479), (63, 247491), (81, 192493), (107, 145719), (189, 82497), (257, 60669), (321, 48573), (567, 27499), (749, 20817), (771, 20223), (963, 16191), (1799, 8667), (2247, 6939), (2313, 6741), (2889, 5397)]