208515801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 304944640

約数和(自身を除く): 96428839

約数列:

[1, 3, 13, 39, 109, 181, 271, 327, 543, 813, 1417, 2353, 3523, 4251, 7059, 10569, 19729, 29539, 49051, 59187, 88617, 147153, 256477, 384007, 637663, 769431, 1152021, 1912989, 5346559, 16039677, 69505267, 208515801]

約数ペア:

[(1, 208515801), (3, 69505267), (13, 16039677), (39, 5346559), (109, 1912989), (181, 1152021), (271, 769431), (327, 637663), (543, 384007), (813, 256477), (1417, 147153), (2353, 88617), (3523, 59187), (4251, 49051), (7059, 29539), (10569, 19729)]