78987573

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{18713}}^1$

素因数の和:18793

約数の個数: 24

約数和(自身を含む): 132345408

約数和(自身を除く): 53357835

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 18713, 56139, 130991, 168417, 392973, 1178919, 1253771, 3761313, 8776397, 11283939, 26329191, 78987573]

約数ペア:

[(1, 78987573), (3, 26329191), (7, 11283939), (9, 8776397), (21, 3761313), (63, 1253771), (67, 1178919), (201, 392973), (469, 168417), (603, 130991), (1407, 56139), (4221, 18713)]