163913897721

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1277}}^1\times {\mathrm{34147}}^1$

素因数の和:35613

約数の個数: 32

約数和(自身を含む): 251372989440

約数和(自身を除く): 87459091719

約数列:

[1, 3, 7, 21, 179, 537, 1253, 1277, 3759, 3831, 8939, 26817, 34147, 102441, 228583, 239029, 685749, 717087, 1600081, 4800243, 6112313, 18336939, 42786191, 43605719, 128358573, 130817157, 305240033, 915720099, 7805423701, 23416271103, 54637965907, 163913897721]

約数ペア:

[(1, 163913897721), (3, 54637965907), (7, 23416271103), (21, 7805423701), (179, 915720099), (537, 305240033), (1253, 130817157), (1277, 128358573), (3759, 43605719), (3831, 42786191), (8939, 18336939), (26817, 6112313), (34147, 4800243), (102441, 1600081), (228583, 717087), (239029, 685749)]