155890405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 212139648

約数和(自身を除く): 56249243

約数列:

[1, 5, 11, 41, 55, 73, 205, 365, 451, 803, 947, 2255, 2993, 4015, 4735, 10417, 14965, 32923, 38827, 52085, 69131, 164615, 194135, 345655, 427097, 760441, 2135485, 2834371, 3802205, 14171855, 31178081, 155890405]

約数ペア:

[(1, 155890405), (5, 31178081), (11, 14171855), (41, 3802205), (55, 2834371), (73, 2135485), (205, 760441), (365, 427097), (451, 345655), (803, 194135), (947, 164615), (2255, 69131), (2993, 52085), (4015, 38827), (4735, 32923), (10417, 14965)]