15563979

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 23255232

約数和(自身を除く): 7691253

約数列:

[1, 3, 9, 43, 129, 131, 307, 387, 393, 921, 1179, 2763, 5633, 13201, 16899, 39603, 40217, 50697, 118809, 120651, 361953, 1729331, 5187993, 15563979]

約数ペア:

[(1, 15563979), (3, 5187993), (9, 1729331), (43, 361953), (129, 120651), (131, 118809), (307, 50697), (387, 40217), (393, 39603), (921, 16899), (1179, 13201), (2763, 5633)]