142720311

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 203765760

約数和(自身を除く): 61045449

約数列:

[1, 3, 31, 43, 89, 93, 129, 267, 401, 1203, 1333, 2759, 3827, 3999, 8277, 11481, 12431, 17243, 35689, 37293, 51729, 107067, 118637, 355911, 534533, 1106359, 1534627, 1603599, 3319077, 4603881, 47573437, 142720311]

約数ペア:

[(1, 142720311), (3, 47573437), (31, 4603881), (43, 3319077), (89, 1603599), (93, 1534627), (129, 1106359), (267, 534533), (401, 355911), (1203, 118637), (1333, 107067), (2759, 51729), (3827, 37293), (3999, 35689), (8277, 17243), (11481, 12431)]