28109349

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5689}}^1$

素因数の和:5762

約数の個数: 20

約数和(自身を含む): 42686380

約数和(自身を除く): 14577031

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5689, 17067, 51201, 153603, 347029, 460809, 1041087, 3123261, 9369783, 28109349]

約数ペア:

[(1, 28109349), (3, 9369783), (9, 3123261), (27, 1041087), (61, 460809), (81, 347029), (183, 153603), (549, 51201), (1647, 17067), (4941, 5689)]