3980515

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 6105600

約数和(自身を除く): 2125085

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 211, 245, 343, 385, 539, 1055, 1477, 1715, 2321, 2695, 3773, 7385, 10339, 11605, 16247, 18865, 51695, 72373, 81235, 113729, 361865, 568645, 796103, 3980515]

約数ペア:

[(1, 3980515), (5, 796103), (7, 568645), (11, 361865), (35, 113729), (49, 81235), (55, 72373), (77, 51695), (211, 18865), (245, 16247), (343, 11605), (385, 10339), (539, 7385), (1055, 3773), (1477, 2695), (1715, 2321)]