80947455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 140050944

約数和(自身を除く): 59103489

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 263, 289, 355, 789, 867, 1065, 1207, 1315, 1445, 3621, 3945, 4335, 4471, 6035, 13413, 18105, 18673, 20519, 22355, 56019, 61557, 67065, 76007, 93365, 102595, 228021, 280095, 307785, 317441, 380035, 952323, 1140105, 1587205, 4761615, 5396497, 16189491, 26982485, 80947455]

約数ペア:

[(1, 80947455), (3, 26982485), (5, 16189491), (15, 5396497), (17, 4761615), (51, 1587205), (71, 1140105), (85, 952323), (213, 380035), (255, 317441), (263, 307785), (289, 280095), (355, 228021), (789, 102595), (867, 93365), (1065, 76007), (1207, 67065), (1315, 61557), (1445, 56019), (3621, 22355), (3945, 20519), (4335, 18673), (4471, 18105), (6035, 13413)]