121387293

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1721}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 186161976

約数和(自身を除く): 64774683

約数列:

[1, 3, 9, 17, 51, 153, 461, 1383, 1721, 4149, 5163, 7837, 15489, 23511, 29257, 70533, 87771, 263313, 793381, 2380143, 7140429, 13487477, 40462431, 121387293]

約数ペア:

[(1, 121387293), (3, 40462431), (9, 13487477), (17, 7140429), (51, 2380143), (153, 793381), (461, 263313), (1383, 87771), (1721, 70533), (4149, 29257), (5163, 23511), (7837, 15489)]