1520552957

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21262

約数の個数: 32

約数和(自身を含む): 2036352000

約数和(自身を除く): 515799043

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 343, 539, 931, 1463, 3773, 6517, 10241, 21211, 71687, 148477, 233321, 403009, 1039339, 1633247, 2821063, 4433099, 7275373, 11432729, 19747441, 31031693, 80029103, 138232087, 217221851, 1520552957]

約数ペア:

[(1, 1520552957), (7, 217221851), (11, 138232087), (19, 80029103), (49, 31031693), (77, 19747441), (133, 11432729), (209, 7275373), (343, 4433099), (539, 2821063), (931, 1633247), (1463, 1039339), (3773, 403009), (6517, 233321), (10241, 148477), (21211, 71687)]