81053525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1283}}^1$

素因数の和:1338

約数の個数: 36

約数和(自身を含む): 121322592

約数和(自身を除く): 40269067

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 361, 475, 665, 1283, 1805, 2527, 3325, 6415, 8981, 9025, 12635, 24377, 32075, 44905, 63175, 121885, 170639, 224525, 463163, 609425, 853195, 2315815, 3242141, 4265975, 11579075, 16210705, 81053525]

約数ペア:

[(1, 81053525), (5, 16210705), (7, 11579075), (19, 4265975), (25, 3242141), (35, 2315815), (95, 853195), (133, 609425), (175, 463163), (361, 224525), (475, 170639), (665, 121885), (1283, 63175), (1805, 44905), (2527, 32075), (3325, 24377), (6415, 12635), (8981, 9025)]