17991645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 34081152

約数和(自身を除く): 16089507

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 61, 105, 159, 183, 265, 305, 371, 427, 795, 915, 1113, 1281, 1855, 2135, 2809, 3233, 5565, 6405, 8427, 9699, 14045, 16165, 19663, 22631, 42135, 48495, 58989, 67893, 98315, 113155, 171349, 294945, 339465, 514047, 856745, 1199443, 2570235, 3598329, 5997215, 17991645]

約数ペア:

[(1, 17991645), (3, 5997215), (5, 3598329), (7, 2570235), (15, 1199443), (21, 856745), (35, 514047), (53, 339465), (61, 294945), (105, 171349), (159, 113155), (183, 98315), (265, 67893), (305, 58989), (371, 48495), (427, 42135), (795, 22631), (915, 19663), (1113, 16165), (1281, 14045), (1855, 9699), (2135, 8427), (2809, 6405), (3233, 5565)]