78515307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 128943360

約数和(自身を除く): 50428053

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 163, 179, 207, 299, 489, 537, 897, 1467, 1611, 2119, 2327, 2691, 3749, 4117, 6357, 6981, 11247, 12351, 19071, 20943, 29177, 33741, 37053, 48737, 53521, 87531, 146211, 160563, 262593, 379301, 438633, 481689, 671071, 1137903, 2013213, 3413709, 6039639, 8723923, 26171769, 78515307]

約数ペア:

[(1, 78515307), (3, 26171769), (9, 8723923), (13, 6039639), (23, 3413709), (39, 2013213), (69, 1137903), (117, 671071), (163, 481689), (179, 438633), (207, 379301), (299, 262593), (489, 160563), (537, 146211), (897, 87531), (1467, 53521), (1611, 48737), (2119, 37053), (2327, 33741), (2691, 29177), (3749, 20943), (4117, 19071), (6357, 12351), (6981, 11247)]