420767589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{14983}}^1$

素因数の和:15057

約数の個数: 32

約数和(自身を含む): 655939584

約数和(自身を除く): 235171995

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 759, 851, 1221, 2553, 9361, 14983, 28083, 44949, 164813, 344609, 494439, 554371, 1033827, 1663113, 3790699, 6098081, 11372097, 12750533, 18294243, 38251599, 140255863, 420767589]

約数ペア:

[(1, 420767589), (3, 140255863), (11, 38251599), (23, 18294243), (33, 12750533), (37, 11372097), (69, 6098081), (111, 3790699), (253, 1663113), (407, 1033827), (759, 554371), (851, 494439), (1221, 344609), (2553, 164813), (9361, 44949), (14983, 28083)]