13239747

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 20884800

約数和(自身を除く): 7645053

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 457, 783, 999, 1073, 1371, 3219, 4113, 9657, 12339, 13253, 16909, 28971, 39759, 50727, 119277, 152181, 357831, 456543, 490361, 1471083, 4413249, 13239747]

約数ペア:

[(1, 13239747), (3, 4413249), (9, 1471083), (27, 490361), (29, 456543), (37, 357831), (87, 152181), (111, 119277), (261, 50727), (333, 39759), (457, 28971), (783, 16909), (999, 13253), (1073, 12339), (1371, 9657), (3219, 4113)]