219212811

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 343337984

約数和(自身を除く): 124125173

約数列:

[1, 3, 9, 27, 31, 67, 81, 93, 201, 279, 603, 837, 1303, 1809, 2077, 2511, 3909, 5427, 6231, 11727, 18693, 35181, 40393, 56079, 87301, 105543, 121179, 168237, 261903, 363537, 785709, 1090611, 2357127, 2706331, 3271833, 7071381, 8118993, 24356979, 73070937, 219212811]

約数ペア:

[(1, 219212811), (3, 73070937), (9, 24356979), (27, 8118993), (31, 7071381), (67, 3271833), (81, 2706331), (93, 2357127), (201, 1090611), (279, 785709), (603, 363537), (837, 261903), (1303, 168237), (1809, 121179), (2077, 105543), (2511, 87301), (3909, 56079), (5427, 40393), (6231, 35181), (11727, 18693)]