28915947

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8707}}^1$

素因数の和:8760

約数の個数: 20

約数和(自身を含む): 44254056

約数和(自身を除く): 15338109

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8707, 26121, 78363, 235089, 356987, 705267, 1070961, 3212883, 9638649, 28915947]

約数ペア:

[(1, 28915947), (3, 9638649), (9, 3212883), (27, 1070961), (41, 705267), (81, 356987), (123, 235089), (369, 78363), (1107, 26121), (3321, 8707)]