42721569

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 70424640

約数和(自身を除く): 27703071

約数列:

[1, 3, 9, 11, 33, 37, 99, 107, 109, 111, 321, 327, 333, 407, 963, 981, 1177, 1199, 1221, 3531, 3597, 3663, 3959, 4033, 10593, 10791, 11663, 11877, 12099, 34989, 35631, 36297, 43549, 44363, 104967, 128293, 130647, 133089, 384879, 391941, 399267, 431531, 1154637, 1294593, 3883779, 4746841, 14240523, 42721569]

約数ペア:

[(1, 42721569), (3, 14240523), (9, 4746841), (11, 3883779), (33, 1294593), (37, 1154637), (99, 431531), (107, 399267), (109, 391941), (111, 384879), (321, 133089), (327, 130647), (333, 128293), (407, 104967), (963, 44363), (981, 43549), (1177, 36297), (1199, 35631), (1221, 34989), (3531, 12099), (3597, 11877), (3663, 11663), (3959, 10791), (4033, 10593)]