128778909

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 84957411

約数列:

[1, 3, 7, 21, 23, 41, 49, 69, 123, 147, 161, 287, 483, 861, 929, 943, 1127, 2009, 2787, 2829, 3381, 6027, 6503, 6601, 19509, 19803, 21367, 38089, 45521, 46207, 64101, 114267, 136563, 138621, 149569, 266623, 448707, 799869, 876047, 1046983, 1866361, 2628141, 3140949, 5599083, 6132329, 18396987, 42926303, 128778909]

約数ペア:

[(1, 128778909), (3, 42926303), (7, 18396987), (21, 6132329), (23, 5599083), (41, 3140949), (49, 2628141), (69, 1866361), (123, 1046983), (147, 876047), (161, 799869), (287, 448707), (483, 266623), (861, 149569), (929, 138621), (943, 136563), (1127, 114267), (2009, 64101), (2787, 46207), (2829, 45521), (3381, 38089), (6027, 21367), (6503, 19803), (6601, 19509)]