30666657

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 51556352

約数和(自身を除く): 20889695

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 163, 217, 289, 357, 489, 527, 651, 867, 1141, 1581, 2023, 2771, 3423, 3689, 5053, 6069, 8313, 8959, 11067, 15159, 19397, 26877, 35371, 47107, 58191, 62713, 85901, 106113, 141321, 188139, 257703, 329749, 601307, 989247, 1460317, 1803921, 4380951, 10222219, 30666657]

約数ペア:

[(1, 30666657), (3, 10222219), (7, 4380951), (17, 1803921), (21, 1460317), (31, 989247), (51, 601307), (93, 329749), (119, 257703), (163, 188139), (217, 141321), (289, 106113), (357, 85901), (489, 62713), (527, 58191), (651, 47107), (867, 35371), (1141, 26877), (1581, 19397), (2023, 15159), (2771, 11067), (3423, 8959), (3689, 8313), (5053, 6069)]