28173663

素因数分解:

$3^6\times 7^1\times {\mathrm{5521}}^1$

素因数の和:5546

約数の個数: 28

約数和(自身を含む): 48284368

約数和(自身を除く): 20110705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5521, 16563, 38647, 49689, 115941, 149067, 347823, 447201, 1043469, 1341603, 3130407, 4024809, 9391221, 28173663]

約数ペア:

[(1, 28173663), (3, 9391221), (7, 4024809), (9, 3130407), (21, 1341603), (27, 1043469), (63, 447201), (81, 347823), (189, 149067), (243, 115941), (567, 49689), (729, 38647), (1701, 16563), (5103, 5521)]