9986571

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 56

約数和(自身を含む): 18187520

約数和(自身を除く): 8200949

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 103, 133, 171, 189, 243, 309, 399, 513, 567, 721, 729, 927, 1197, 1539, 1701, 1957, 2163, 2781, 3591, 4617, 5103, 5871, 6489, 8343, 10773, 13699, 13851, 17613, 19467, 25029, 32319, 41097, 52839, 58401, 75087, 96957, 123291, 158517, 175203, 369873, 475551, 525609, 1109619, 1426653, 3328857, 9986571]

約数ペア:

[(1, 9986571), (3, 3328857), (7, 1426653), (9, 1109619), (19, 525609), (21, 475551), (27, 369873), (57, 175203), (63, 158517), (81, 123291), (103, 96957), (133, 75087), (171, 58401), (189, 52839), (243, 41097), (309, 32319), (399, 25029), (513, 19467), (567, 17613), (721, 13851), (729, 13699), (927, 10773), (1197, 8343), (1539, 6489), (1701, 5871), (1957, 5103), (2163, 4617), (2781, 3591)]