8987781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 14249088

約数和(自身を除く): 5261307

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 433, 561, 629, 1221, 1299, 1887, 4763, 6919, 7361, 14289, 16021, 20757, 22083, 48063, 80971, 176231, 242913, 272357, 528693, 817071, 2995927, 8987781]

約数ペア:

[(1, 8987781), (3, 2995927), (11, 817071), (17, 528693), (33, 272357), (37, 242913), (51, 176231), (111, 80971), (187, 48063), (407, 22083), (433, 20757), (561, 16021), (629, 14289), (1221, 7361), (1299, 6919), (1887, 4763)]