128984967

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2069

約数の個数: 40

約数和(自身を含む): 208460736

約数和(自身を除く): 79475769

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 459, 799, 1269, 1377, 1993, 2397, 3807, 5979, 7191, 17937, 21573, 33881, 53811, 64719, 93671, 101643, 161433, 281013, 304929, 843039, 914787, 1592407, 2529117, 2744361, 4777221, 7587351, 14331663, 42994989, 128984967]

約数ペア:

[(1, 128984967), (3, 42994989), (9, 14331663), (17, 7587351), (27, 4777221), (47, 2744361), (51, 2529117), (81, 1592407), (141, 914787), (153, 843039), (423, 304929), (459, 281013), (799, 161433), (1269, 101643), (1377, 93671), (1993, 64719), (2397, 53811), (3807, 33881), (5979, 21573), (7191, 17937)]