205514241

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1619}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 307929600

約数和(自身を除く): 102415359

約数列:

[1, 3, 17, 19, 51, 57, 131, 323, 393, 969, 1619, 2227, 2489, 4857, 6681, 7467, 27523, 30761, 42313, 82569, 92283, 126939, 212089, 522937, 636267, 1568811, 3605513, 4029691, 10816539, 12089073, 68504747, 205514241]

約数ペア:

[(1, 205514241), (3, 68504747), (17, 12089073), (19, 10816539), (51, 4029691), (57, 3605513), (131, 1568811), (323, 636267), (393, 522937), (969, 212089), (1619, 126939), (2227, 92283), (2489, 82569), (4857, 42313), (6681, 30761), (7467, 27523)]