1328804547

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{21737}}^1$

素因数の和:21859

約数の個数: 32

約数和(自身を含む): 2103542784

約数和(自身を除く): 774738237

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 1491, 2911, 8733, 20377, 21737, 61131, 65211, 152159, 456477, 891217, 1543327, 2673651, 4629981, 6238519, 10803289, 18715557, 32409867, 63276407, 189829221, 442934849, 1328804547]

約数ペア:

[(1, 1328804547), (3, 442934849), (7, 189829221), (21, 63276407), (41, 32409867), (71, 18715557), (123, 10803289), (213, 6238519), (287, 4629981), (497, 2673651), (861, 1543327), (1491, 891217), (2911, 456477), (8733, 152159), (20377, 65211), (21737, 61131)]