66688419

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 103749120

約数和(自身を除く): 37060701

約数列:

[1, 3, 7, 21, 113, 157, 179, 339, 471, 537, 791, 1099, 1253, 2373, 3297, 3759, 17741, 20227, 28103, 53223, 60681, 84309, 124187, 141589, 196721, 372561, 424767, 590163, 3175639, 9526917, 22229473, 66688419]

約数ペア:

[(1, 66688419), (3, 22229473), (7, 9526917), (21, 3175639), (113, 590163), (157, 424767), (179, 372561), (339, 196721), (471, 141589), (537, 124187), (791, 84309), (1099, 60681), (1253, 53223), (2373, 28103), (3297, 20227), (3759, 17741)]