87718365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 174560256

約数和(自身を除く): 86841891

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 281, 315, 843, 991, 1405, 1967, 2529, 2973, 4215, 4955, 5901, 6937, 8919, 9835, 12645, 14865, 17703, 20811, 29505, 34685, 44595, 62433, 88515, 104055, 278471, 312165, 835413, 1392355, 1949297, 2506239, 4177065, 5847891, 9746485, 12531195, 17543673, 29239455, 87718365]

約数ペア:

[(1, 87718365), (3, 29239455), (5, 17543673), (7, 12531195), (9, 9746485), (15, 5847891), (21, 4177065), (35, 2506239), (45, 1949297), (63, 1392355), (105, 835413), (281, 312165), (315, 278471), (843, 104055), (991, 88515), (1405, 62433), (1967, 44595), (2529, 34685), (2973, 29505), (4215, 20811), (4955, 17703), (5901, 14865), (6937, 12645), (8919, 9835)]