81207615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3433}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 138458880

約数和(自身を除く): 57251265

約数列:

[1, 3, 5, 15, 19, 57, 83, 95, 249, 285, 415, 1245, 1577, 3433, 4731, 7885, 10299, 17165, 23655, 51495, 65227, 195681, 284939, 326135, 854817, 978405, 1424695, 4274085, 5413841, 16241523, 27069205, 81207615]

約数ペア:

[(1, 81207615), (3, 27069205), (5, 16241523), (15, 5413841), (19, 4274085), (57, 1424695), (83, 978405), (95, 854817), (249, 326135), (285, 284939), (415, 195681), (1245, 65227), (1577, 51495), (3433, 23655), (4731, 17165), (7885, 10299)]