287336517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 419126400

約数和(自身を除く): 131789883

約数列:

[1, 3, 13, 39, 149, 197, 251, 447, 591, 753, 1937, 2561, 3263, 5811, 7683, 9789, 29353, 37399, 49447, 88059, 112197, 148341, 381589, 486187, 642811, 1144767, 1458561, 1928433, 7367603, 22102809, 95778839, 287336517]

約数ペア:

[(1, 287336517), (3, 95778839), (13, 22102809), (39, 7367603), (149, 1928433), (197, 1458561), (251, 1144767), (447, 642811), (591, 486187), (753, 381589), (1937, 148341), (2561, 112197), (3263, 88059), (5811, 49447), (7683, 37399), (9789, 29353)]