189156789

素因数分解:

$3^5\times {\mathrm{239}}^1\times {\mathrm{3257}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 284618880

約数和(自身を除く): 95462091

約数列:

[1, 3, 9, 27, 81, 239, 243, 717, 2151, 3257, 6453, 9771, 19359, 29313, 58077, 87939, 263817, 778423, 791451, 2335269, 7005807, 21017421, 63052263, 189156789]

約数ペア:

[(1, 189156789), (3, 63052263), (9, 21017421), (27, 7005807), (81, 2335269), (239, 791451), (243, 778423), (717, 263817), (2151, 87939), (3257, 58077), (6453, 29313), (9771, 19359)]