18525105

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 33895680

約数和(自身を除く): 15370575

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 193, 237, 243, 395, 405, 579, 711, 965, 1185, 1215, 1737, 2133, 2895, 3555, 5211, 6399, 8685, 10665, 15247, 15633, 19197, 26055, 31995, 45741, 46899, 76235, 78165, 95985, 137223, 228705, 234495, 411669, 686115, 1235007, 2058345, 3705021, 6175035, 18525105]

約数ペア:

[(1, 18525105), (3, 6175035), (5, 3705021), (9, 2058345), (15, 1235007), (27, 686115), (45, 411669), (79, 234495), (81, 228705), (135, 137223), (193, 95985), (237, 78165), (243, 76235), (395, 46899), (405, 45741), (579, 31995), (711, 26055), (965, 19197), (1185, 15633), (1215, 15247), (1737, 10665), (2133, 8685), (2895, 6399), (3555, 5211)]