51156231

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 81100800

約数和(自身を除く): 29944569

約数列:

[1, 3, 7, 21, 31, 93, 179, 217, 439, 537, 651, 1253, 1317, 3073, 3759, 5549, 9219, 13609, 16647, 38843, 40827, 78581, 95263, 116529, 235743, 285789, 550067, 1650201, 2436011, 7308033, 17052077, 51156231]

約数ペア:

[(1, 51156231), (3, 17052077), (7, 7308033), (21, 2436011), (31, 1650201), (93, 550067), (179, 285789), (217, 235743), (439, 116529), (537, 95263), (651, 78581), (1253, 40827), (1317, 38843), (3073, 16647), (3759, 13609), (5549, 9219)]