815004513

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1523}}^1\times {\mathrm{1607}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 1210592448

約数和(自身を除く): 395587935

約数列:

[1, 3, 9, 37, 111, 333, 1523, 1607, 4569, 4821, 13707, 14463, 56351, 59459, 169053, 178377, 507159, 535131, 2447461, 7342383, 22027149, 90556057, 271668171, 815004513]

約数ペア:

[(1, 815004513), (3, 271668171), (9, 90556057), (37, 22027149), (111, 7342383), (333, 2447461), (1523, 535131), (1607, 507159), (4569, 178377), (4821, 169053), (13707, 59459), (14463, 56351)]