30987243

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28933}}^1$

素因数の和:28963

約数の個数: 24

約数和(自身を含む): 54164448

約数和(自身を除く): 23177205

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28933, 86799, 202531, 260397, 491861, 607593, 1475583, 1822779, 3443027, 4426749, 10329081, 30987243]

約数ペア:

[(1, 30987243), (3, 10329081), (7, 4426749), (9, 3443027), (17, 1822779), (21, 1475583), (51, 607593), (63, 491861), (119, 260397), (153, 202531), (357, 86799), (1071, 28933)]