206418513

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 321269760

約数和(自身を除く): 114851247

約数列:

[1, 3, 7, 21, 71, 167, 213, 497, 501, 829, 1169, 1491, 2487, 3507, 5803, 11857, 17409, 35571, 58859, 82999, 138443, 176577, 248997, 412013, 415329, 969101, 1236039, 2907303, 9829453, 29488359, 68806171, 206418513]

約数ペア:

[(1, 206418513), (3, 68806171), (7, 29488359), (21, 9829453), (71, 2907303), (167, 1236039), (213, 969101), (497, 415329), (501, 412013), (829, 248997), (1169, 176577), (1491, 138443), (2487, 82999), (3507, 58859), (5803, 35571), (11857, 17409)]