12540801

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 8361087

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 647, 923, 1491, 1941, 2769, 4529, 6461, 8411, 13587, 19383, 25233, 45937, 58877, 137811, 176631, 321559, 597181, 964677, 1791543, 4180267, 12540801]

約数ペア:

[(1, 12540801), (3, 4180267), (7, 1791543), (13, 964677), (21, 597181), (39, 321559), (71, 176631), (91, 137811), (213, 58877), (273, 45937), (497, 25233), (647, 19383), (923, 13587), (1491, 8411), (1941, 6461), (2769, 4529)]