281621313

素因数分解:

$3^3\times {\mathrm{1667}}^1\times {\mathrm{6257}}^1$

素因数の和:7933

約数の個数: 16

約数和(自身を含む): 417533760

約数和(自身を除く): 135912447

約数列:

[1, 3, 9, 27, 1667, 5001, 6257, 15003, 18771, 45009, 56313, 168939, 10430419, 31291257, 93873771, 281621313]

約数ペア:

[(1, 281621313), (3, 93873771), (9, 31291257), (27, 10430419), (1667, 168939), (5001, 56313), (6257, 45009), (15003, 18771)]