172870971

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{12923}}^1$

素因数の和:12960

約数の個数: 32

約数和(自身を含む): 289497600

約数和(自身を除く): 116626629

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 12923, 13377, 38769, 90461, 167999, 271383, 503997, 633227, 1175993, 1899681, 3527979, 4432589, 8231951, 13297767, 24695853, 57623657, 172870971]

約数ペア:

[(1, 172870971), (3, 57623657), (7, 24695853), (13, 13297767), (21, 8231951), (39, 4432589), (49, 3527979), (91, 1899681), (147, 1175993), (273, 633227), (343, 503997), (637, 271383), (1029, 167999), (1911, 90461), (4459, 38769), (12923, 13377)]