15620319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 27125280

約数和(自身を除く): 11504961

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 229, 429, 477, 583, 687, 689, 1287, 1749, 2061, 2067, 2519, 2977, 5247, 6201, 7557, 7579, 8931, 12137, 22671, 22737, 26793, 32747, 36411, 68211, 98241, 109233, 133507, 157781, 294723, 400521, 473343, 1201563, 1420029, 1735591, 5206773, 15620319]

約数ペア:

[(1, 15620319), (3, 5206773), (9, 1735591), (11, 1420029), (13, 1201563), (33, 473343), (39, 400521), (53, 294723), (99, 157781), (117, 133507), (143, 109233), (159, 98241), (229, 68211), (429, 36411), (477, 32747), (583, 26793), (687, 22737), (689, 22671), (1287, 12137), (1749, 8931), (2061, 7579), (2067, 7557), (2519, 6201), (2977, 5247)]