16885197

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 29872128

約数和(自身を除く): 12986931

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 271, 301, 387, 483, 813, 903, 989, 1449, 1897, 2439, 2709, 2967, 5691, 6233, 6923, 8901, 11653, 17073, 18699, 20769, 34959, 43631, 56097, 62307, 81571, 104877, 130893, 244713, 268019, 392679, 734139, 804057, 1876133, 2412171, 5628399, 16885197]

約数ペア:

[(1, 16885197), (3, 5628399), (7, 2412171), (9, 1876133), (21, 804057), (23, 734139), (43, 392679), (63, 268019), (69, 244713), (129, 130893), (161, 104877), (207, 81571), (271, 62307), (301, 56097), (387, 43631), (483, 34959), (813, 20769), (903, 18699), (989, 17073), (1449, 11653), (1897, 8901), (2439, 6923), (2709, 6233), (2967, 5691)]