15518841

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 8431239

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 263, 267, 663, 789, 1157, 1513, 3419, 3471, 4471, 4539, 10257, 13413, 19669, 23407, 58123, 59007, 70221, 174369, 304291, 397919, 912873, 1193757, 5172947, 15518841]

約数ペア:

[(1, 15518841), (3, 5172947), (13, 1193757), (17, 912873), (39, 397919), (51, 304291), (89, 174369), (221, 70221), (263, 59007), (267, 58123), (663, 23407), (789, 19669), (1157, 13413), (1513, 10257), (3419, 4539), (3471, 4471)]