69401591

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 85708800

約数和(自身を除く): 16307209

約数列:

[1, 7, 31, 49, 61, 107, 217, 343, 427, 749, 1519, 1891, 2989, 3317, 5243, 6527, 10633, 13237, 20923, 23219, 36701, 45689, 92659, 162533, 202337, 319823, 648613, 1137731, 1416359, 2238761, 9914513, 69401591]

約数ペア:

[(1, 69401591), (7, 9914513), (31, 2238761), (49, 1416359), (61, 1137731), (107, 648613), (217, 319823), (343, 202337), (427, 162533), (749, 92659), (1519, 45689), (1891, 36701), (2989, 23219), (3317, 20923), (5243, 13237), (6527, 10633)]