15997275

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{1451}}^1$

素因数の和:1481

約数の個数: 54

約数和(自身を含む): 33353892

約数和(自身を除く): 17356617

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1451, 1575, 2205, 3675, 4353, 7255, 10157, 11025, 13059, 21765, 30471, 36275, 50785, 65295, 71099, 91413, 108825, 152355, 213297, 253925, 326475, 355495, 457065, 639891, 761775, 1066485, 1777475, 2285325, 3199455, 5332425, 15997275]

約数ペア:

[(1, 15997275), (3, 5332425), (5, 3199455), (7, 2285325), (9, 1777475), (15, 1066485), (21, 761775), (25, 639891), (35, 457065), (45, 355495), (49, 326475), (63, 253925), (75, 213297), (105, 152355), (147, 108825), (175, 91413), (225, 71099), (245, 65295), (315, 50785), (441, 36275), (525, 30471), (735, 21765), (1225, 13059), (1451, 11025), (1575, 10157), (2205, 7255), (3675, 4353)]