127978623

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 205994880

約数和(自身を除く): 78016257

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 243, 477, 513, 523, 1007, 1431, 1539, 1569, 3021, 4293, 4617, 4707, 9063, 9937, 12879, 14121, 27189, 27719, 29811, 42363, 81567, 83157, 89433, 127089, 244701, 249471, 268299, 526661, 748413, 804897, 1579983, 2245239, 2414691, 4739949, 6735717, 14219847, 42659541, 127978623]

約数ペア:

[(1, 127978623), (3, 42659541), (9, 14219847), (19, 6735717), (27, 4739949), (53, 2414691), (57, 2245239), (81, 1579983), (159, 804897), (171, 748413), (243, 526661), (477, 268299), (513, 249471), (523, 244701), (1007, 127089), (1431, 89433), (1539, 83157), (1569, 81567), (3021, 42363), (4293, 29811), (4617, 27719), (4707, 27189), (9063, 14121), (9937, 12879)]