28285173

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1373}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 48364800

約数和(自身を除く): 20079627

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 1373, 2289, 2943, 4119, 6867, 9611, 12357, 20601, 28833, 37071, 86499, 149657, 259497, 448971, 1047599, 1346913, 3142797, 4040739, 9428391, 28285173]

約数ペア:

[(1, 28285173), (3, 9428391), (7, 4040739), (9, 3142797), (21, 1346913), (27, 1047599), (63, 448971), (109, 259497), (189, 149657), (327, 86499), (763, 37071), (981, 28833), (1373, 20601), (2289, 12357), (2943, 9611), (4119, 6867)]