71771721

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3714

約数の個数: 32

約数和(自身を含む): 117504000

約数和(自身を除く): 45732279

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 3671, 6517, 11013, 19551, 25697, 69749, 77091, 179879, 209247, 488243, 539637, 1259153, 1464729, 3417701, 3777459, 10253103, 23923907, 71771721]

約数ペア:

[(1, 71771721), (3, 23923907), (7, 10253103), (19, 3777459), (21, 3417701), (49, 1464729), (57, 1259153), (133, 539637), (147, 488243), (343, 209247), (399, 179879), (931, 77091), (1029, 69749), (2793, 25697), (3671, 19551), (6517, 11013)]