287241927

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 447759360

約数和(自身を除く): 160517433

約数列:

[1, 3, 7, 21, 53, 159, 371, 409, 631, 1113, 1227, 1893, 2863, 4417, 8589, 13251, 21677, 33443, 65031, 100329, 151739, 234101, 258079, 455217, 702303, 774237, 1806553, 5419659, 13678187, 41034561, 95747309, 287241927]

約数ペア:

[(1, 287241927), (3, 95747309), (7, 41034561), (21, 13678187), (53, 5419659), (159, 1806553), (371, 774237), (409, 702303), (631, 455217), (1113, 258079), (1227, 234101), (1893, 151739), (2863, 100329), (4417, 65031), (8589, 33443), (13251, 21677)]