15678988581

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1\times {\mathrm{773}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 21304442880

約数和(自身を除く): 5625454299

約数列:

[1, 3, 127, 139, 381, 383, 417, 773, 1149, 2319, 17653, 48641, 52959, 53237, 98171, 107447, 145923, 159711, 294513, 296059, 322341, 888177, 6761099, 13645769, 20283297, 37599493, 40937307, 41152201, 112798479, 123456603, 5226329527, 15678988581]

約数ペア:

[(1, 15678988581), (3, 5226329527), (127, 123456603), (139, 112798479), (381, 41152201), (383, 40937307), (417, 37599493), (773, 20283297), (1149, 13645769), (2319, 6761099), (17653, 888177), (48641, 322341), (52959, 296059), (53237, 294513), (98171, 159711), (107447, 145923)]