157631421

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 221760000

約数和(自身を除く): 64128579

約数列:

[1, 3, 43, 59, 129, 139, 149, 177, 417, 447, 2537, 5977, 6407, 7611, 8201, 8791, 17931, 19221, 20711, 24603, 26373, 62133, 352643, 378013, 890573, 1057929, 1134039, 1221949, 2671719, 3665847, 52543807, 157631421]

約数ペア:

[(1, 157631421), (3, 52543807), (43, 3665847), (59, 2671719), (129, 1221949), (139, 1134039), (149, 1057929), (177, 890573), (417, 378013), (447, 352643), (2537, 62133), (5977, 26373), (6407, 24603), (7611, 20711), (8201, 19221), (8791, 17931)]