17918804967

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1\times {\mathrm{41243}}^1$

素因数の和:42487

約数の個数: 32

約数和(自身を含む): 28935470592

約数和(自身を除く): 11016665625

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1217, 3651, 8519, 20689, 25557, 41243, 62067, 123729, 144823, 288701, 434469, 701131, 866103, 2103393, 4907917, 14723751, 50192731, 150578193, 351349117, 853276427, 1054047351, 2559829281, 5972934989, 17918804967]

約数ペア:

[(1, 17918804967), (3, 5972934989), (7, 2559829281), (17, 1054047351), (21, 853276427), (51, 351349117), (119, 150578193), (357, 50192731), (1217, 14723751), (3651, 4907917), (8519, 2103393), (20689, 866103), (25557, 701131), (41243, 434469), (62067, 288701), (123729, 144823)]