28979979

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 45957120

約数和(自身を除く): 16977141

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 479, 903, 1407, 1437, 2881, 3353, 8643, 10059, 20167, 20597, 32093, 60501, 61791, 96279, 144179, 224651, 432537, 673953, 1379999, 4139997, 9659993, 28979979]

約数ペア:

[(1, 28979979), (3, 9659993), (7, 4139997), (21, 1379999), (43, 673953), (67, 432537), (129, 224651), (201, 144179), (301, 96279), (469, 61791), (479, 60501), (903, 32093), (1407, 20597), (1437, 20167), (2881, 10059), (3353, 8643)]