28150983

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 48554880

約数和(自身を除く): 20403897

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 379, 393, 567, 917, 1137, 1179, 2653, 2751, 3411, 3537, 7959, 8253, 10233, 10611, 23877, 24759, 30699, 49649, 71631, 74277, 148947, 214893, 347543, 446841, 1042629, 1340523, 3127887, 4021569, 9383661, 28150983]

約数ペア:

[(1, 28150983), (3, 9383661), (7, 4021569), (9, 3127887), (21, 1340523), (27, 1042629), (63, 446841), (81, 347543), (131, 214893), (189, 148947), (379, 74277), (393, 71631), (567, 49649), (917, 30699), (1137, 24759), (1179, 23877), (2653, 10611), (2751, 10233), (3411, 8253), (3537, 7959)]