9138339

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 15890688

約数和(自身を除く): 6752349

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 227, 497, 567, 639, 681, 1491, 1589, 1917, 2043, 4473, 4767, 5751, 6129, 13419, 14301, 16117, 18387, 40257, 42903, 48351, 112819, 128709, 145053, 338457, 435159, 1015371, 1305477, 3046113, 9138339]

約数ペア:

[(1, 9138339), (3, 3046113), (7, 1305477), (9, 1015371), (21, 435159), (27, 338457), (63, 145053), (71, 128709), (81, 112819), (189, 48351), (213, 42903), (227, 40257), (497, 18387), (567, 16117), (639, 14301), (681, 13419), (1491, 6129), (1589, 5751), (1917, 4767), (2043, 4473)]