31297509

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 48709760

約数和(自身を除く): 17412251

約数列:

[1, 3, 9, 27, 67, 73, 79, 81, 201, 219, 237, 603, 657, 711, 1809, 1971, 2133, 4891, 5293, 5427, 5767, 5913, 6399, 14673, 15879, 17301, 44019, 47637, 51903, 132057, 142911, 155709, 386389, 396171, 428733, 467127, 1159167, 3477501, 10432503, 31297509]

約数ペア:

[(1, 31297509), (3, 10432503), (9, 3477501), (27, 1159167), (67, 467127), (73, 428733), (79, 396171), (81, 386389), (201, 155709), (219, 142911), (237, 132057), (603, 51903), (657, 47637), (711, 44019), (1809, 17301), (1971, 15879), (2133, 14673), (4891, 6399), (5293, 5913), (5427, 5767)]