7800195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 14388192

約数和(自身を除く): 6587997

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 181, 195, 221, 255, 507, 543, 663, 845, 905, 1105, 2353, 2535, 2715, 2873, 3077, 3315, 7059, 8619, 9231, 11765, 14365, 15385, 30589, 35295, 40001, 43095, 46155, 91767, 120003, 152945, 200005, 458835, 520013, 600015, 1560039, 2600065, 7800195]

約数ペア:

[(1, 7800195), (3, 2600065), (5, 1560039), (13, 600015), (15, 520013), (17, 458835), (39, 200005), (51, 152945), (65, 120003), (85, 91767), (169, 46155), (181, 43095), (195, 40001), (221, 35295), (255, 30589), (507, 15385), (543, 14365), (663, 11765), (845, 9231), (905, 8619), (1105, 7059), (2353, 3315), (2535, 3077), (2715, 2873)]