15931431

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 25444800

約数和(自身を除く): 9513369

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 569, 1037, 1647, 1707, 3111, 5121, 9333, 9673, 15363, 27999, 29019, 34709, 87057, 104127, 261171, 312381, 590053, 937143, 1770159, 5310477, 15931431]

約数ペア:

[(1, 15931431), (3, 5310477), (9, 1770159), (17, 937143), (27, 590053), (51, 312381), (61, 261171), (153, 104127), (183, 87057), (459, 34709), (549, 29019), (569, 27999), (1037, 15363), (1647, 9673), (1707, 9333), (3111, 5121)]