215550909

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6301}}^1$

素因数の和:6498

約数の個数: 32

約数和(自身を含む): 367028480

約数和(自身を除く): 151477571

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 1267, 1629, 3801, 4887, 6301, 11403, 18903, 34209, 44107, 56709, 132321, 170127, 396963, 1140481, 1190889, 3421443, 7983367, 10264329, 23950101, 30792987, 71850303, 215550909]

約数ペア:

[(1, 215550909), (3, 71850303), (7, 30792987), (9, 23950101), (21, 10264329), (27, 7983367), (63, 3421443), (181, 1190889), (189, 1140481), (543, 396963), (1267, 170127), (1629, 132321), (3801, 56709), (4887, 44107), (6301, 34209), (11403, 18903)]