42749847

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 74500608

約数和(自身を除く): 31750761

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 163, 181, 207, 483, 489, 543, 1141, 1267, 1449, 1467, 1629, 3423, 3749, 3801, 4163, 10269, 11247, 11403, 12489, 26243, 29141, 29503, 33741, 37467, 78729, 87423, 88509, 206521, 236187, 262269, 265527, 619563, 678569, 1858689, 2035707, 4749983, 6107121, 14249949, 42749847]

約数ペア:

[(1, 42749847), (3, 14249949), (7, 6107121), (9, 4749983), (21, 2035707), (23, 1858689), (63, 678569), (69, 619563), (161, 265527), (163, 262269), (181, 236187), (207, 206521), (483, 88509), (489, 87423), (543, 78729), (1141, 37467), (1267, 33741), (1449, 29503), (1467, 29141), (1629, 26243), (3423, 12489), (3749, 11403), (3801, 11247), (4163, 10269)]