30428811

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 51955200

約数和(自身を除く): 21526389

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 1229, 2751, 3537, 3687, 8253, 8603, 11061, 24759, 25809, 33183, 77427, 160999, 232281, 482997, 1126993, 1448991, 3380979, 4346973, 10142937, 30428811]

約数ペア:

[(1, 30428811), (3, 10142937), (7, 4346973), (9, 3380979), (21, 1448991), (27, 1126993), (63, 482997), (131, 232281), (189, 160999), (393, 77427), (917, 33183), (1179, 25809), (1229, 24759), (2751, 11061), (3537, 8603), (3687, 8253)]