81652785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 146157696

約数和(自身を除く): 64504911

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 361, 887, 969, 1083, 1615, 1805, 2661, 4435, 4845, 5415, 6137, 13305, 15079, 16853, 18411, 30685, 45237, 50559, 75395, 84265, 92055, 226185, 252795, 286501, 320207, 859503, 960621, 1432505, 1601035, 4297515, 4803105, 5443519, 16330557, 27217595, 81652785]

約数ペア:

[(1, 81652785), (3, 27217595), (5, 16330557), (15, 5443519), (17, 4803105), (19, 4297515), (51, 1601035), (57, 1432505), (85, 960621), (95, 859503), (255, 320207), (285, 286501), (323, 252795), (361, 226185), (887, 92055), (969, 84265), (1083, 75395), (1615, 50559), (1805, 45237), (2661, 30685), (4435, 18411), (4845, 16853), (5415, 15079), (6137, 13305)]