199804773

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1877}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 315143424

約数和(自身を除く): 115338651

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 777, 959, 1877, 2877, 5069, 5631, 13139, 15207, 35483, 39417, 69449, 106449, 208347, 257149, 486143, 771447, 1458429, 1800043, 5400129, 9514513, 28543539, 66601591, 199804773]

約数ペア:

[(1, 199804773), (3, 66601591), (7, 28543539), (21, 9514513), (37, 5400129), (111, 1800043), (137, 1458429), (259, 771447), (411, 486143), (777, 257149), (959, 208347), (1877, 106449), (2877, 69449), (5069, 39417), (5631, 35483), (13139, 15207)]