15691838319

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{977}}^1\times {\mathrm{2389}}^1$

素因数の和:3461

約数の個数: 40

約数和(自身を含む): 23757536880

約数和(自身を除く): 8065698561

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 977, 2241, 2389, 2931, 6723, 7167, 8793, 21501, 26379, 64503, 79137, 81091, 193509, 198287, 243273, 594861, 729819, 1784583, 2189457, 2334053, 5353749, 6568371, 7002159, 16061247, 21006477, 63019431, 189058293, 193726399, 581179197, 1743537591, 5230612773, 15691838319]

約数ペア:

[(1, 15691838319), (3, 5230612773), (9, 1743537591), (27, 581179197), (81, 193726399), (83, 189058293), (249, 63019431), (747, 21006477), (977, 16061247), (2241, 7002159), (2389, 6568371), (2931, 5353749), (6723, 2334053), (7167, 2189457), (8793, 1784583), (21501, 729819), (26379, 594861), (64503, 243273), (79137, 198287), (81091, 193509)]