7880985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 15814656

約数和(自身を除く): 7933671

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 197, 315, 381, 591, 635, 889, 985, 1143, 1379, 1773, 1905, 2667, 2955, 4137, 4445, 5715, 6895, 8001, 8865, 12411, 13335, 20685, 25019, 40005, 62055, 75057, 125095, 175133, 225171, 375285, 525399, 875665, 1125855, 1576197, 2626995, 7880985]

約数ペア:

[(1, 7880985), (3, 2626995), (5, 1576197), (7, 1125855), (9, 875665), (15, 525399), (21, 375285), (35, 225171), (45, 175133), (63, 125095), (105, 75057), (127, 62055), (197, 40005), (315, 25019), (381, 20685), (591, 13335), (635, 12411), (889, 8865), (985, 8001), (1143, 6895), (1379, 5715), (1773, 4445), (1905, 4137), (2667, 2955)]