155989287

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 239016960

約数和(自身を除く): 83027673

約数列:

[1, 3, 9, 27, 47, 83, 141, 249, 423, 747, 1269, 1481, 2241, 3901, 4443, 11703, 13329, 35109, 39987, 69607, 105327, 122923, 208821, 368769, 626463, 1106307, 1879389, 3318921, 5777381, 17332143, 51996429, 155989287]

約数ペア:

[(1, 155989287), (3, 51996429), (9, 17332143), (27, 5777381), (47, 3318921), (83, 1879389), (141, 1106307), (249, 626463), (423, 368769), (747, 208821), (1269, 122923), (1481, 105327), (2241, 69607), (3901, 39987), (4443, 35109), (11703, 13329)]