87491421

素因数分解:

$3^5\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 135207072

約数和(自身を除く): 47715651

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 263, 333, 789, 999, 1369, 2367, 2997, 4107, 7101, 8991, 9731, 12321, 21303, 29193, 36963, 63909, 87579, 110889, 262737, 332667, 360047, 788211, 1080141, 2364633, 3240423, 9721269, 29163807, 87491421]

約数ペア:

[(1, 87491421), (3, 29163807), (9, 9721269), (27, 3240423), (37, 2364633), (81, 1080141), (111, 788211), (243, 360047), (263, 332667), (333, 262737), (789, 110889), (999, 87579), (1369, 63909), (2367, 36963), (2997, 29193), (4107, 21303), (7101, 12321), (8991, 9731)]