127290429

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{42989}}^1$

素因数の和:43049

約数の個数: 24

約数和(自身を含む): 214606080

約数和(自身を除く): 87315651

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 42989, 128967, 300923, 386901, 902769, 2020483, 2708307, 6061449, 14143381, 18184347, 42430143, 127290429]

約数ペア:

[(1, 127290429), (3, 42430143), (7, 18184347), (9, 14143381), (21, 6061449), (47, 2708307), (63, 2020483), (141, 902769), (329, 386901), (423, 300923), (987, 128967), (2961, 42989)]