2787645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 5160960

約数和(自身を除く): 2373315

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 191, 417, 573, 695, 955, 973, 1337, 2085, 2865, 2919, 4011, 4865, 6685, 14595, 20055, 26549, 79647, 132745, 185843, 398235, 557529, 929215, 2787645]

約数ペア:

[(1, 2787645), (3, 929215), (5, 557529), (7, 398235), (15, 185843), (21, 132745), (35, 79647), (105, 26549), (139, 20055), (191, 14595), (417, 6685), (573, 4865), (695, 4011), (955, 2919), (973, 2865), (1337, 2085)]