81927755

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 127552320

約数和(自身を除く): 45624565

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 145, 203, 245, 377, 455, 637, 887, 1015, 1421, 1885, 2639, 3185, 4435, 6209, 7105, 11531, 13195, 18473, 25723, 31045, 43463, 57655, 80717, 92365, 128615, 180061, 217315, 334399, 403585, 565019, 900305, 1260427, 1671995, 2340793, 2825095, 6302135, 11703965, 16385551, 81927755]

約数ペア:

[(1, 81927755), (5, 16385551), (7, 11703965), (13, 6302135), (29, 2825095), (35, 2340793), (49, 1671995), (65, 1260427), (91, 900305), (145, 565019), (203, 403585), (245, 334399), (377, 217315), (455, 180061), (637, 128615), (887, 92365), (1015, 80717), (1421, 57655), (1885, 43463), (2639, 31045), (3185, 25723), (4435, 18473), (6209, 13195), (7105, 11531)]