20131781139

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{85081}}^1$

素因数の和:85579

約数の個数: 24

約数和(自身を含む): 29624871744

約数和(自身を除く): 9493090605

約数列:

[1, 3, 9, 61, 183, 431, 549, 1293, 3879, 26291, 78873, 85081, 236619, 255243, 765729, 5189941, 15569823, 36669911, 46709469, 110009733, 330029199, 2236864571, 6710593713, 20131781139]

約数ペア:

[(1, 20131781139), (3, 6710593713), (9, 2236864571), (61, 330029199), (183, 110009733), (431, 46709469), (549, 36669911), (1293, 15569823), (3879, 5189941), (26291, 765729), (78873, 255243), (85081, 236619)]