80150721

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28697}}^1$

素因数の和:28733

約数の個数: 24

約数和(自身を含む): 130862880

約数和(自身を除く): 50712159

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28697, 86091, 200879, 545243, 602637, 1406153, 1635729, 3816701, 4218459, 11450103, 26716907, 80150721]

約数ペア:

[(1, 80150721), (3, 26716907), (7, 11450103), (19, 4218459), (21, 3816701), (49, 1635729), (57, 1406153), (133, 602637), (147, 545243), (399, 200879), (931, 86091), (2793, 28697)]