201021205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16843}}^1$

素因数の和:16897

約数の個数: 32

約数和(自身を含む): 310468608

約数和(自身を除く): 109447403

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 16843, 84215, 117901, 185273, 522133, 589505, 926365, 1296911, 2610665, 3654931, 5743463, 6484555, 18274655, 28717315, 40204241, 201021205]

約数ペア:

[(1, 201021205), (5, 40204241), (7, 28717315), (11, 18274655), (31, 6484555), (35, 5743463), (55, 3654931), (77, 2610665), (155, 1296911), (217, 926365), (341, 589505), (385, 522133), (1085, 185273), (1705, 117901), (2387, 84215), (11935, 16843)]