27120275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 54

約数和(自身を含む): 42683652

約数和(自身を除く): 15563377

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 131, 169, 175, 245, 325, 455, 637, 655, 845, 917, 1183, 1225, 1703, 2275, 3185, 3275, 4225, 4585, 5915, 6419, 8281, 8515, 11921, 15925, 22139, 22925, 29575, 32095, 41405, 42575, 59605, 83447, 110695, 154973, 160475, 207025, 298025, 417235, 553475, 774865, 1084811, 2086175, 3874325, 5424055, 27120275]

約数ペア:

[(1, 27120275), (5, 5424055), (7, 3874325), (13, 2086175), (25, 1084811), (35, 774865), (49, 553475), (65, 417235), (91, 298025), (131, 207025), (169, 160475), (175, 154973), (245, 110695), (325, 83447), (455, 59605), (637, 42575), (655, 41405), (845, 32095), (917, 29575), (1183, 22925), (1225, 22139), (1703, 15925), (2275, 11921), (3185, 8515), (3275, 8281), (4225, 6419), (4585, 5915)]