15821379

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 11273661

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 863, 873, 2037, 2589, 2619, 6041, 6111, 7767, 18123, 18333, 23301, 54369, 83711, 163107, 251133, 585977, 753399, 1757931, 2260197, 5273793, 15821379]

約数ペア:

[(1, 15821379), (3, 5273793), (7, 2260197), (9, 1757931), (21, 753399), (27, 585977), (63, 251133), (97, 163107), (189, 83711), (291, 54369), (679, 23301), (863, 18333), (873, 18123), (2037, 7767), (2589, 6111), (2619, 6041)]