15951215

素因数分解:

$5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 6858385

約数列:

[1, 5, 7, 35, 49, 71, 131, 245, 343, 355, 497, 655, 917, 1715, 2485, 3479, 4585, 6419, 9301, 17395, 24353, 32095, 44933, 46505, 65107, 121765, 224665, 325535, 455749, 2278745, 3190243, 15951215]

約数ペア:

[(1, 15951215), (5, 3190243), (7, 2278745), (35, 455749), (49, 325535), (71, 224665), (131, 121765), (245, 65107), (343, 46505), (355, 44933), (497, 32095), (655, 24353), (917, 17395), (1715, 9301), (2485, 6419), (3479, 4585)]