205596309

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 293299200

約数和(自身を除く): 87702891

約数列:

[1, 3, 31, 37, 93, 111, 149, 401, 447, 1147, 1203, 3441, 4619, 5513, 12431, 13857, 14837, 16539, 37293, 44511, 59749, 170903, 179247, 459947, 512709, 1379841, 1852219, 2210713, 5556657, 6632139, 68532103, 205596309]

約数ペア:

[(1, 205596309), (3, 68532103), (31, 6632139), (37, 5556657), (93, 2210713), (111, 1852219), (149, 1379841), (401, 512709), (447, 459947), (1147, 179247), (1203, 170903), (3441, 59749), (4619, 44511), (5513, 37293), (12431, 16539), (13857, 14837)]