30761951

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 4988449

約数列:

[1, 11, 31, 59, 121, 139, 341, 649, 1529, 1829, 3751, 4309, 7139, 8201, 16819, 20119, 47399, 90211, 221309, 254231, 521389, 992321, 2796541, 30761951]

約数ペア:

[(1, 30761951), (11, 2796541), (31, 992321), (59, 521389), (121, 254231), (139, 221309), (341, 90211), (649, 47399), (1529, 20119), (1829, 16819), (3751, 8201), (4309, 7139)]