72280047

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3697}}^1$

素因数の和:3740

約数の個数: 32

約数和(自身を含む): 118336000

約数和(自身を除く): 46055953

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 3697, 6517, 11091, 19551, 25879, 70243, 77637, 181153, 210729, 491701, 543459, 1268071, 1475103, 3441907, 3804213, 10325721, 24093349, 72280047]

約数ペア:

[(1, 72280047), (3, 24093349), (7, 10325721), (19, 3804213), (21, 3441907), (49, 1475103), (57, 1268071), (133, 543459), (147, 491701), (343, 210729), (399, 181153), (931, 77637), (1029, 70243), (2793, 25879), (3697, 19551), (6517, 11091)]