26971785

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 22299255

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 281, 395, 405, 711, 843, 1185, 1215, 1405, 2133, 2529, 3555, 4215, 6399, 7587, 10665, 12645, 19197, 22199, 22761, 31995, 37935, 66597, 68283, 95985, 110995, 113805, 199791, 332985, 341415, 599373, 998955, 1798119, 2996865, 5394357, 8990595, 26971785]

約数ペア:

[(1, 26971785), (3, 8990595), (5, 5394357), (9, 2996865), (15, 1798119), (27, 998955), (45, 599373), (79, 341415), (81, 332985), (135, 199791), (237, 113805), (243, 110995), (281, 95985), (395, 68283), (405, 66597), (711, 37935), (843, 31995), (1185, 22761), (1215, 22199), (1405, 19197), (2133, 12645), (2529, 10665), (3555, 7587), (4215, 6399)]