123977987

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 152737200

約数和(自身を除く): 28759213

約数列:

[1, 7, 29, 43, 49, 203, 301, 1247, 1421, 2029, 2107, 8729, 14203, 58841, 61103, 87247, 99421, 411887, 610729, 2530163, 2883209, 4275103, 17711141, 123977987]

約数ペア:

[(1, 123977987), (7, 17711141), (29, 4275103), (43, 2883209), (49, 2530163), (203, 610729), (301, 411887), (1247, 99421), (1421, 87247), (2029, 61103), (2107, 58841), (8729, 14203)]