56988975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 98993664

約数和(自身を除く): 42004689

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 431, 615, 645, 1025, 1075, 1293, 1763, 2155, 3075, 3225, 5289, 6465, 8815, 10775, 17671, 18533, 26445, 32325, 44075, 53013, 55599, 88355, 92665, 132225, 265065, 277995, 441775, 463325, 759853, 1325325, 1389975, 2279559, 3799265, 11397795, 18996325, 56988975]

約数ペア:

[(1, 56988975), (3, 18996325), (5, 11397795), (15, 3799265), (25, 2279559), (41, 1389975), (43, 1325325), (75, 759853), (123, 463325), (129, 441775), (205, 277995), (215, 265065), (431, 132225), (615, 92665), (645, 88355), (1025, 55599), (1075, 53013), (1293, 44075), (1763, 32325), (2155, 26445), (3075, 18533), (3225, 17671), (5289, 10775), (6465, 8815)]