251428695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{82571}}^1$

素因数の和:82615

約数の個数: 32

約数和(自身を含む): 475614720

約数和(自身を除く): 224186025

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 82571, 247713, 412855, 577997, 1238565, 1733991, 2394559, 2889985, 7183677, 8669955, 11972795, 16761913, 35918385, 50285739, 83809565, 251428695]

約数ペア:

[(1, 251428695), (3, 83809565), (5, 50285739), (7, 35918385), (15, 16761913), (21, 11972795), (29, 8669955), (35, 7183677), (87, 2889985), (105, 2394559), (145, 1733991), (203, 1238565), (435, 577997), (609, 412855), (1015, 247713), (3045, 82571)]